Updated on 2024/03/07

写真a

 
IGARASHI Tasuku
 
Organization
Graduate School of Education and Human Development Department of Psychology and Human Developmental Sciences Psychological Sciences Associate professor
Graduate School
Graduate School of Education and Human Development
Undergraduate School
School of Education
Title
Associate professor
Contact information
メールアドレス
Homepage
https://www.tasukuigarashi.com
External link

Degree 1

  1. PhD (Psychology) （ 2005.3   Nagoya University ） 

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Research Interests 4

  1. social networks

  2. group

  3. loneliness

  4. social network

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Research Areas 1

  1. Humanities & Social Sciences / Social psychology

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Research History 9

  1. The University of Melbourne   School of Psychological Sciences   Honorary Research Fellow

    2019.3 - 2020.3

  2. Associate Professor, Graduate School of Education and Human Development, Nagoya University

    2012.10

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    Country：Japan

  3. Graduate School of Education and Human Development, Nagoya University   Associate professor

    2012.10

  4. Associate Professor, Department of Management Information, Hokkai Gakuen University

    2011.4 - 2012.9

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    Country：Japan

  5. Lecturer, Department of Management Information, Hokkai Gakuen University

    2009.4 - 2011.3

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    Country：Japan

  6. Superative Postdoctoral Research Fellow, Japan Society for the Promotion of Science

    2006.4 - 2009.3

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    Country：Australia

  7. Visiting Postdoctoral Research Fellow, the University of Melbourne

    2005.6 - 2007.3

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    Country：Japan

  8. Postdoctoral Research Fellow, Japan Society for the Promotion of Science

    2005.4 - 2006.3

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    Country：Japan

  9. Research Fellow, Japan Society for the Promotion of Science

    2003.4 - 2005.3

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    Country：Japan

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Education 3

  1. Nagoya University   Graduate School of Education and Human Development

    2003.4 - 2005.3

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    Country： Japan

  2. Nagoya University   Graduate School, Education and Human Development

    2001.4 - 2003.3

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    Country： Japan

  3. Nagoya University   Faculty of Education

    - 2001.3

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    Country： Japan

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Professional Memberships 8

  1. 日本心理学会

  2. 日本社会心理学会

  3. 日本グループ・ダイナミックス学会

  4. Society for Personality and Social Psychology

  5. The Japanese Society of Social Psychology

  6. The Japanese Psychological Association

  7. The Japanese Group Dynamics Association

  8. Society for Personality and Social Psychology

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Committee Memberships 12

  1. Scientific Reports   Editorial Board  

    2023.9   

  2. 日本社会心理学会   理事・編集委員  

    2023.4   

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    Committee type：Academic society

  3. Humanities & Social Sciences Communications.   Editorial Board  

    2023.3   

  4. Japanese Psychological Association   Editorial board, Japanese Psychological Research  

    2021.11   

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    Committee type：Academic society

  5. 日本グループ・ダイナミックス学会   常任理事・編集委員  

    2021.4 - 2023.3   

  6. 日本社会心理学会   理事  

    2021.4 - 2023.3   

  7. 日本グループ・ダイナミックス学会   理事・編集委員  

    2019.4 - 2021.3   

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    Committee type：Academic society

  8. 日本社会心理学会   「社会心理学研究」副編集委員長  

    2017.5 - 2019.3   

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    Committee type：Academic society

  9. 日本社会心理学会   理事・編集委員  

    2015.4 - 2019.3   

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    Committee type：Academic society

  10. アジア社会心理学会   Consuting Editor  

    2014.1 - 2017.3   

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    Committee type：Other

  11. アジア社会心理学会   Executive committee (Treasurer)  

    2014.1 - 2017.3   

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    Committee type：Other

  12. 日本グループ・ダイナミックス学会   理事・編集委員  

    2013.4 - 2017.3   

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    Committee type：Academic society

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Awards 10

  1. 奨励論文賞

    2021   日本社会心理学会   援助要請における援助者の切り替え方略：援助者数が援助要請者のストレスに及ぼす影響

    古橋健悟,五十嵐祐

  2. 学術大会優秀発表賞

    2020   日本心理学会   社会情報のアンサンブル知覚――パレイドリア図形を用いた群集の視線手がかり課題による検討――

    平島太郎, 五十嵐祐

  3. 学術大会優秀発表賞

    2019   日本心理学会   行為者の識別可能性が「巻き添え」を含む報復に与える影響

    澤田昂大, 五十嵐祐

  4. Distinguished Presentation Award

    2010  

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    Country：Japan

  5. Distinguished Presentation Award

    2007  

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    Country：Japan

  6. Top Paper, Japan-U.S. Communication Association (JUCA) session

    2006  

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    Country：United States

  7. Outstanding Dissertation Award

    2005  

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    Country：Japan

  8. Jung-heun Park Young Scholar Award

    2005  

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    Country：New Zealand

  9. Japanese Society of Social Psychology

    2002  

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    Country：Japan

  10. Outstanding Student Award

    2002  

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    Country：Japan

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Papers 73

  1. Unequal but not separate: Emergence of rich–poor cooperation in resource exchange Reviewed

    Jiayu Chen, Tasuku Igarashi

    Asian Journal of Social Psychology   Vol. 26 ( 4 ) page： 431 - 444   2023.12

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)  

    Addressing inequality is a critical challenge for society as a whole and requires sustained efforts to promote fairness and opportunity for all. Filling in the resource gap across social classes is essential in reducing inequality. Previous studies have revealed that ingroup favouritism hinders the rich from cooperating with the poor and expands the wealth gap. Nevertheless, how to find ways of narrowing the gap between the rich and the poor remains an open question. Inducing rich–poor cooperation could be effective in eliciting resource flow across classes. In this study, two experiments using a modified Prisoner's Dilemma game were conducted in Japan (N = 213) and China (N = 150) to examine whether highlighting partners' cooperativeness under permeable group boundaries induces rich–poor cooperation. All participants were allocated to the rich group and participated in the game with programmed rich- or poor-group partner bots, whose cooperation rates were manipulated. Despite the initial resource disparities between participants and the partner bots, participants were more likely to select and cooperate with cooperative poor-group partners than with non-cooperative rich-group partners. Generalized trust played an important role in the enhancement of rich–poor cooperation. The findings shed light on the possibility of reducing inequality and promoting social mobility in society.

    DOI： 10.1111/ajsp.12569

    Web of Science

    Scopus

  2. The Self-perception of Text message Dependence Scale (STDS): A Brazilian-Portuguese validation and expansion of its psychometric properties

    Daniel Tornaim Spritzer, Andr{\'{e } } Luiz Monezi Andrade, Aurora Zamora Xavier, Gabriel Teixeira da Silva, Hyoun S. Kim, Katarzyna Kaliszewska-Czeremska, St{\'{e } }phany Laconi, Tasuku Igarashi, Ives Cavalcante Passos, Simone Hauck

    Current Psychology   Vol. 42 ( 21 ) page： 17670 - 17681   2023.7

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media {LLC}  

    DOI： 10.1007/s12144-022-02957-8

    Web of Science

    PubMed

  3. Implementing Petty Favor in Facilitating Rich-Poor Resource Exchange Reviewed

    Jiayu Chen, Tasuku Igarashi

    Letters on Evolutionary Behavioral Science   Vol. 14 ( 1 ) page： 1 - 7   2023.2

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Human Behavior and Evolution Society of Japan  

    Humans seek to select and exchange resources with wealthy partners for greater benefits. In this study, we examined whether implementing the “petty favor” option (giving a small amount of resources to interaction partners prior to resource provision to pooled accounts) from rich to cooperative poor group members facilitates rich-poor selection and cooperation. In total, 216 participants were allocated to the rich group and played a repeated two-person public goods game with selfish rich or cooperative poor partner bots. Participants preferred to use the “petty favor” options on cooperative poor partners and contribute a large amount of resources toward public good. The findings suggest that the provision of petty favors motivates providers to exchange more resources with cooperators beyond the existing rich-poor boundary.

    DOI： 10.5178/lebs.2023.100

  4. Is Mentalizing Essential to Predict Human Network Size? Reexamining the Social Brain Hypothesis From a Social Network Perspective

    Taro Hirashima, Tasuku Igarashi

    Letters on Evolutionary Behavioral Science   Vol. 13 ( 2 ) page： 50 - 56   2022.10

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Human Behavior and Evolution Society of Japan  

    One central question in social science and evolutionary anthropology is how humans can form and maintain large social networks. The social brain hypothesis argues that humans use their mentalizing ability to read others’ minds for the development of dyadic relationships in layered social networks. However, previous empirical studies have not directly examined the association between mentalizing and the size of the active network located at the outermost layer. By introducing a social network perspective, we predicted that individuals use their mentalizing ability not only to form and maintain dyadic relationships but also to belong to multiple communities, which indirectly expands the active network size. We collected data from undergraduates in Japan (N = 175) to examine how mentalizing is linked to the size of online social networks. Mentalizing was positively associated with the number of dyads but not with the number of communities and the active network size. These findings suggest that the social brain hypothesis has limited validity, and there is a need for more careful explanations surrounding the psychological and structural underpinnings of large human social networks.

    DOI： 10.5178/lebs.2022.99

  5. Does Mental Simulation Decrease the Empathy Gap in Help-Seeking?

    Kengo Furuhashi, Tasuku Igarashi

    Japanese Psychological Research     2022.7

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    Language：English   Publishing type：Research paper (scientific journal)  

    People hesitate to seek help when they perceive the cost of helping as high. In general, help-seekers overestimate the cost of helping because of errors in perspective-taking. We examined whether three processes of mental simulation (recalling an experience of providing help, of rejecting a request for help, and of sensing the empathy gap) would decrease the cost of helping perceived by help-seekers. Participants underwent one of the simulations or no simulation (control condition), read two scenarios that described helping and help-seeking, and rated the perceived cost of helping in the scenarios. Contrary to the prediction, simulations did not decrease the cost of helping perceived by help-seekers. Recalling an experience of rejecting requests also increased the perceived cost of helping in unemployment scenarios. The post hoc analysis for controlling the depressive mood in depression scenarios showed that the cost of helping from the helper's perspective decreased, whereas that from the help-seekers remained the same under the empathy-gap simulation condition. These results suggest that realizing the asymmetry between helpers and help-seekers may be counterproductive in help-seeking and widen the empathy gap.

    DOI： 10.1111/jpr.12436

    Web of Science

    Scopus

  6. Development of the Japanese Version of the Linguistic Inquiry and Word Count Dictionary 2015

    Tasuku Igarashi, Shimpei Okuda, Kazutoshi Sasahara

    Frontiers in Psychology   Vol. 13   2022.3

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Frontiers Media {SA}  

    <jats:p>The Linguistic Inquiry and Word Count Dictionary 2015 (LIWC2015) is a standard text analysis dictionary that quantifies the linguistic and psychometric properties of English words. A Japanese version of the LIWC2015 dictionary (J-LIWC2015) has been expected in the fields of natural language processing and cross-cultural research. This study aims to create the J-LIWC2015 through systematic investigations of the original dictionary and Japanese corpora. The entire LIWC2015 dictionary was initially subjected to human and machine translation into Japanese. After verifying the frequency of use of the words in large corpora, frequent words and phrases that are unique to Japanese were added to the dictionary, followed by recategorization by psychologists. The updated dictionary indicated good internal consistency, semantic equivalence with the original LIWC2015 dictionary, and good construct validity in each category. The evidence suggests that the J-LIWC2015 dictionary is a powerful research tool in computational social science to scrutinize the psychological processes behind Japanese texts and promote standardized cross-cultural investigations in combination with LIWC dictionaries in different languages.</jats:p>

    DOI： 10.3389/fpsyg.2022.841534

    Web of Science

    PubMed

  7. 援助要請における援助者選択に関する研究と展望

    古橋 健悟, 五十嵐 祐

    名古屋大学大学院教育発達科学研究科紀要. 心理発達科学   Vol. 68   page： 17 - 25   2022.3

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：名古屋大学大学院教育発達科学研究科  

    DOI： 10.18999/nupsych.68.1.2

  8. 社会心理学から「孤独」にアプローチする Invited

    五十嵐祐

    臨床心理学   Vol. 22   page： 218 - 222   2022.3

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    Language：English   Publishing type：Research paper (scientific journal)  

  9. Processes of Social Influence on Sampling Behavior: The Effect of Other's Positive Attitude and Receiver's Prior Experience

    Tsuchiya Koji, Kashima Yoshihisa, Yoshida Toshikazu, Harada Chika, Igarashi Tasuku

    JAPANESE PSYCHOLOGICAL RESEARCH   Vol. 64 ( 1 ) page： 64 - 72   2022.1

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Wiley  

    DOI： 10.1111/jpr.12314

    Web of Science

  10. A preliminary study on the relationships between mentalizing and social network size

    Hirashima Taro, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 86 ( 0 ) page： 4AM-012-PC - 4AM-012-PC   2022

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.86.0_4am-012-pc

    CiNii Research

  11. Help-seeking in getting a new job

    Furuhashi Kengo, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 86 ( 0 ) page： 3AM-086-PQ - 3AM-086-PQ   2022

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.86.0_3am-086-pq

    CiNii Research

  12. Effects of the first person perspective on moral judgement on SNS posting

    Kato Jin, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 86 ( 0 ) page： 1EV-012-PC - 1EV-012-PC   2022

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.86.0_1ev-012-pc

    CiNii Research

  13. Social comparison and perceived social mobility in cross-status impression formation

    Chen Jiayu, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 86 ( 0 ) page： 1EV-025-PC - 1EV-025-PC   2022

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.86.0_1ev-025-pc

    CiNii Research

  14. 社会心理学から「孤独」にアプローチする

    五十嵐 祐

    臨床心理学   Vol. 22   page： 218 - 222   2022

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    Language：English   Publishing type：Research paper (scientific journal)  

    CiNii Research

  15. Generalized trust and social selection process Reviewed

    Tasuku Igarashi, Taro Hirashima

    Frontiers in Communication   Vol. 6   2021.5

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    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Frontiers Media SA  

    Generalized trust relieves individuals in a socially uncertain situation from dyadic constraints of existing ties and helps them change ties with other individuals to acquire better resources. However, much evidence in the emancipation role of generalized trust as a booster of new relationship formation has been limited to laboratory experiments or cross-sectional surveys. We conducted a four-wave longitudinal survey to test whether individuals high in generalized trust actively switch ties and form open triads in dynamic social networks. Stochastic Actor-Oriented Models were employed to analyze structural changes in advice and personal discussion networks among first-year undergraduates. Results showed the predicted patterns of social selection processes based on generalized trust when the dynamics of the two networks were analyzed simultaneously: only in the advice network, individuals high in generalized trust tended to terminate existing ties, create new ties, and show a decreasing trend toward forming close triads when the degree of local clustering was large. Effective tie-formation strategies of individuals high in generalized trust in a multiplex network structure are discussed.

    DOI： 10.3389/fcomm.2021.667082

    Web of Science

  16. Odd man out for everyone: The justification of ostracism to maximize the whole group's benefits

    Tamai Ryuichi, Igarashi Tasuku

    EUROPEAN JOURNAL OF SOCIAL PSYCHOLOGY   Vol. 51 ( 2 ) page： 213 - 221   2021.3

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Wiley  

    DOI： 10.1002/ejsp.2725

    Web of Science

  17. Psychometric properties of measures of hedonic and eudaimonic orientations in Japan: The HEMA scale Reviewed

    Ryosuke Asano, Saori Tsukamoto, Tasuku Igarashi, Veronika Huta

    Current Psychology   Vol. 40 ( 1 ) page： 390 - 401   2021.1

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    DOI： 10.1007/s12144-018-9954-z

    Web of Science

    Other Link： http://link.springer.com/article/10.1007/s12144-018-9954-z/fulltext.html

  18. Odd man out for everyone: The justification of ostracism to maximize the whole group's benefits Reviewed

    Tamai, R, Igarashi, T

    European Journal of Social Psychology.     2021

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)  

    Other Link： https://onlinelibrary.wiley.com/share/author/HSHMN7IBY7JTDVDWVT6U?target=10.1002/ejsp.2725

  19. Processes of social influence on sampling behavior: The effect of other’s positive attitude and receiver’s prior experience Reviewed

    Tsuchiya, K, Kashima, Y, Yoshida, T, Harada, C, Igarashi, T

    Japanese Psychological Research     2021

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)  

  20. 日本語版幸せへの恐れ尺度と日本語版幸せの壊れやすさ尺度の信頼性・妥当性の検討 Reviewed

    生田目光, 猪原あゆみ, 浅野良輔, 五十嵐祐, 塚本早織, 沢宮容子

    心理学研究     2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  21. Text Mining Approach to Quantify Consumer Psychology and Behavior in COVID-19 Pandemic

    SASAHARA Kazutoshi, OKUDA Shimpei, IGARASHI Tasuku

    Proceedings of the Annual Conference of JSAI   Vol. JSAI2021 ( 0 ) page： 1D3OS3b04 - 1D3OS3b04   2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Society for Artificial Intelligence  

    <p>On social media, a variety of information is posted and shared in real time on a daily basis. Many of these posts relate to the impact of the COVID-19 pandemic and consumer life. Such spontaneous “real voices” (texts) from consumers contain potential signals for quantitatively understanding consumer psychology and behavior in the pandemic. In this study, we quantify consumer psychology and behavior from large-scale social data on Twitter, and discuss analytical methods and cases to gain insights into the resale phenomenon in the pandemic. Specifically, by applying our psychological category dictionary “J-LIWC” and moral foundation dictionary “J-MFD” to the above data, we were able to visualize that different consumer emotions were evoked depending on the types of product resold, such as toilet paper or masks, and what kind of moral violation consumers perceived about the resale. Furthermore, by analyzing the above data using a word co-occurrence network, we observed trends in products resoled and changes in purchasing behavior linked to the pandemic’s progression. These findings provide a hint for reconstructing the society and economy toward the post-corona era.</p>

    DOI： 10.11517/pjsai.jsai2021.0_1d3os3b04

    CiNii Research

  22. Reliability and validity of the japanese versions of the fear of happiness scale and the fragility of happiness scale

    Hikari Namatame, Ayumi Inohara, Ryosuke Asano, Tasuku Igarashi, Saori Tsukamoto, Yoko Sawamiya

    Shinrigaku Kenkyu   Vol. 92 ( 1 ) page： 31 - 39   2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    This study investigated the reliability and validity of the Japanese versions of the Fear of Happiness Scale and the Fragility of Happiness Scale. The scales were administered to 341 Japanese undergraduates. Confirmatory factor analysis showed that, like the original versions, the Japanese Fear of Happiness Scale and the Fragility of Happiness Scale each had a one-factor structure. The two scales also each had good internal consistency, test-retest reliability, and construct validity. Furthermore, the scales showed incremental validity by predicting psychological elements (life satisfaction, depression, anxiety, stress) better than the behavioral inhibition system (BIS) and the behavioral activation system (BAS). The results of the present study revealed that the Fear of Happiness Scale and the Fragility of Happiness Scale had an adequate reliability and validity in this Japanese group.

    DOI： 10.4992/JJPSY.92.20206

    Scopus

    CiNii Research

  23. J-LIWC2015による日本語テキスト解析

    五十嵐 祐, 笹原 和俊, 奥田 慎平

    日本心理学会大会発表論文集   Vol. 85 ( 0 ) page： TWS-003 - TWS-003   2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：公益社団法人 日本心理学会  

    <p>計算社会科学の領域において，デジタル化された文字情報（テキストデータ）から書き手の感情状態や心的態度を多面的に推測する，テキストデータ解析の重要性はますます高まっている。本ワークショップでは，発表者らが開発した，テキストデータ解析のデファクト・スタンダードであるLIWC2015の日本語版（J-LIWC2015）について紹介する。ワークショップでは，Pythonによる日本語テキストデータの前処理の方法（MeCabを用いた形態素解析）や，分析の手順について解説を行う。また，データサイエンス領域での活用事例についても紹介する。参加にあたって特別な事前知識は必要としないが，前処理を行うにはコマンドラインでの操作にある程度慣れておく必要がある。また，前処理後の分析には英語版LIWC2015のソフトウェアが必要となるため，手元で分析を行いたい場合は各自で準備されたい。</p>

    DOI： 10.4992/pacjpa.85.0_tws-003

    CiNii Research

  24. 援助場面の想起が援助者・援助要請者が知覚する援助コストに及ぼす影響

    古橋 健悟, 五十嵐 祐

    日本心理学会大会発表論文集   Vol. 85 ( 0 ) page： PC-068 - PC-068   2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：公益社団法人 日本心理学会  

    <p>問題が生じた際に他者に援助を求める行動である援助要請行動は，問題に対する対処行動として有効である。先行研究では，援助者のコストが大きい場合，援助要請行動は抑制されることが示されている。一方，援助要請者は，援助者のコストを過大評価する傾向がある。本研究では，援助行動の想起を行うことにより，この援助者と援助要請者間の差異を減じることができるかどうかを検討した。実験では，援助体験・援助拒否体験・差異体験（援助者と援助要請者間の差異を感じた体験）を想起することの効果を検討した。参加者にいずれかの想起を行うように求めた後，参加者自身が援助者となるシナリオ・援助要請者となるシナリオのそれぞれについて，援助者のコストを評価するよう求めた。その結果，差異体験の想起により，援助者のコストが低く知覚されることが示された。一方，援助拒否体験の想起により，援助者のコストが高く知覚されることが示された。また，いずれの想起も，援助者・援助要請者間の差異を減じる効果は見られなかった。本研究の結果から，差異体験の想起は，援助行動・援助要請行動を促進する介入に繋がる可能性が示唆された。</p>

    DOI： 10.4992/pacjpa.85.0_pc-068

    CiNii Research

  25. 「小さなシグナル」に耳を澄ます—クラウド型ソフトウェアが拓く，新たな時代の学生・研究体験創造—

    五十嵐 祐, 辻野 真平, 中嶋 祐一, 久崎 智子, 栃木 哲郎

    日本心理学会大会発表論文集   Vol. 85 ( 0 ) page： IS-001 - IS-001   2021

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：公益社団法人 日本心理学会  

    <p>研究をより速く，より正確に行うための手段を，より簡単に，より多くのユーザーに提供できるよう，調査プラットフォームは従来のデスクトップ型から今日のクラウド型のソフトウェアへと進化してきた。また，テクノロジーの進化やパンデミックは，教室・大学の在り方にも大きな変化を及ぼしている。本シンポジウムでは，今年の 5 月に更に使いやすく進化した，クアルトリクスのクラウド型調査プラットフォームの全体像とともに，クアルトリクスのスーパーユーザーとして日本語版クアルトリクス マニュアル（非公式版）執筆を独自に手がけた五十嵐氏から，具体的なユースケースをご紹介いただく。また，刻々と進化を続ける時代の変化を検知・観察・分析する手法として，クアルトリクスは「XM（エクスペリエンス管理）」を提唱している。同社のXMソリューションストラテジーディレクターである久崎から，XM の視点を活用することによって開けてくる，新たな時代の学生・研究体験を作り上げていくための地平について紹介する。</p>

    DOI： 10.4992/pacjpa.85.0_is-001

    CiNii Research

  26. Does a reduction in subjective value due to delaying extra reward promote donation?

    Kurita Maho, Igarashi Tasuku, Kiyokawa Sachiko

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 84 ( 0 ) page： PC-102 - PC-102   2020.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.84.0_pc-102

    CiNii Research

  27. Crowd gaze cueing effects by pareidolia faces: Is ensemble perception of social information different processes from those of low-level physical information?

    Hirashima Taro, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 84 ( 0 ) page： PI-073 - PI-073   2020.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.84.0_pi-073

    CiNii Research

  28. The effects of perceived helpers’ cost on the helper selection

    Furuhashi Kengo, Igarashi Tasuku, Kiyokawa Sachiko

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 84 ( 0 ) page： PC-015 - PC-015   2020.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.84.0_pc-015

    CiNii Research

  29. “I'll give it to you if it's such a ‘small' amount”: Prosocial behavior based on delay discounting and micro-donation

    Kurita Maho, Igarashi Tasuku, Kiyokawa Sachiko

    Cognitive Studies: Bulletin of the Japanese Cognitive Science Society   Vol. 27 ( 3 ) page： 345 - 355   2020.9

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Japanese Cognitive Science Society  

    <p>Charitable donations play an important role in the upliftment of a society. This study examines how to facilitate donations by subjective value of the money. Previous studies have shown that people generally discount delayed value of a reward with delay of receipt. We conducted an online experiment in which an extra reward was handed out by lottery to participants and they were asked to make a judgment on the extra reward, and used a 3 (amount of extra reward: 50/500/1000 yen) × 2 (delay: a day/a month) design resulting in six conditions. We hypothesized that the smaller the amount of an extra reward and the more it is delayed, the lower the subjective value of the reward becomes, and the more people would be willing to donate. Two-hundred and two undergraduates were randomly assigned to one of the six conditions. They were asked to answer a questionnaire measuring participants' delay-discounting rates, social value orientation (SVO), subjective socioeconomic status (subjective SES), and money beliefs. They were then told they had received an extra reward and were required to choose one of three options for the delayed extra reward: receive, reject, or donate. The results showed that a smaller extra reward and higher delay-discounting rates increased donation choice, but we could not obtain the effect of the delay in time until the participants received the extra reward. Therefore, we concluded that reducing the subjective value of the money could promote donation.</p>

    DOI： 10.11225/cs.2020.032

    CiNii Research

  30. I’ll give it to you if it’s such a ‘small’ amount: Prosocial behavior based on delay discounting and micro-donation. Reviewed

    Kurita, M, Igarashi, T, Kiyokawa, S

    Cognitive Studies: Bulletin of the Japanese Cognitive Science Society   Vol. 27 ( 3 ) page： 345 - 355   2020.9

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    Language：English   Publishing type：Research paper (scientific journal)  

  31. SNSにおけるプライバシー設定機能の利用動機と個人情報の記載行動との関連：大学生のTwitterユーザーを対象とした検討 Reviewed

    澤田 昂大, 五十嵐 祐

    社会情報学   Vol. 8 ( 3 ) page： 177 - 189   2020.8

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  32. Motivations and Behaviors for Ensuring Privacy on Twitter

    SAWADA Gota, IGARASHI Tasuku

    Socio-Informatics   Vol. 8 ( 3 ) page： 177 - 189   2020.7

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Society of Socio-Informatics  

    <p>The purpose of this study is to examine what factors motivate Twitter users to use a protected account and how these factors relate to self-disclose on their profile pages. Based on the interviews with 14 undergraduates using Twitter, we developed a questionnaire measuring motivations to use privacy settings on Twitter. We then conducted a survey on 153 undergraduates to report their Twitter usage and personal information disclosed online. Exploratory factor analysis identified three motivational factors to use privacy settings on Twitter: the boundary control for self-disclosure, the avoidance of troubles, and social influence. Logistic regression analysis was conducted to predict which motivational factors prevent or promote users to put personal information on their profile accessible in public. The boundary control motivation was negatively related to the disclosure of real names in public. In contrast, the social influence motivation was positively related to the disclosure of private information, such as facial photos on the public profile. Lower graders and females were also likely to disclose in public than higher graders and males, respectively. The current study implies that motivational factors other than privacy concerns lead people to protect or disclose themselves on social networking services.</p>

    DOI： 10.14836/ssi.8.3_177

    CiNii Research

  33. Overchoosing: A Mechanism of Tie-Formation in Social Networks

    Tasuku Igarashi, Johank Koskinen

    PsyArXiv     2020.6

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    Authorship：Lead author   Language：English   Publishing type：Research paper (other academic)   Publisher：Center for Open Science  

    <p>We introduce the concept of overchoosing as a fundamental mechanism of tie formation in directed social networks. The parameter represents a tendency for actors to send a lot of ties but receive few nominations back, something which implies the importance of modeling reciprocity violation as a basic tie-formation process. Analyzing large friendship network data (N = 1,575) by the stochastic actor-oriented models revealed that, under controlling for several endogenous tie formation processes, the parameter captured the formation of open triads and substantially improved the goodness of fit of the model to the data.</p>

    DOI： 10.31234/osf.io/47q39

  34. The Hedonic and Eudaimonic Motives for Activities: Measurement Invariance and Psychometric Properties in an Adult Japanese Sample Reviewed

    Ryosuke Asano, Tasuku Igarashi, Saori Tsukamoto

    Frontiers in Psychology   Vol. 11   page： 1220   2020.6

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Frontiers Media SA  

    DOI： 10.3389/fpsyg.2020.01220

    Web of Science

    PubMed

  35. 孤独感と対人関係の再帰的な構築 Reviewed

    五十嵐 祐

    心理学評論   Vol. 63   page： 403 - 417   2020

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    Language：English   Publishing type：Research paper (scientific journal)  

    CiNii Research

  36. Loneliness and the recursive formation of social environments

    Igarashi Tasuku

    JAPANESE PSYCHOLOGICAL REVIEW   Vol. 63 ( 4 ) page： 403 - 417   2020

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：JAPANESE PSYCHOLOGICAL REVIEW  

    <p>Tackling loneliness is a challenging task in modern society. Recent research has focused primarily on the physiological nature of loneliness. However, the multifaceted psychological construct is clearly more than just a negative emotion. The virtue of helping each other can be undermined by the process in which loneliness breeds maladaptive social perception and behavior that also facilitate the avoidance of lonely individuals. To cut off the vicious cycle of loneliness, comprehending the dynamic nature of loneliness and social networks through the lens of social information processing is important. After introducing the conceptualization of loneliness, this paper discusses the process by which individuals feel isolated in dyadic/networked social connections, the social selection and influence mechanisms of loneliness, the distinction between loneliness and solitude, the current advances and limitation of loneliness interventions, and the importance of providing opportunities for social interactions for the lonely to deal with this modern disease.</p>

    DOI： 10.24602/sjpr.63.4_403

    CiNii Research

  37. 孤独感と対人関係の再帰的な構築 Invited Reviewed

    五十嵐祐

    心理学評論   Vol. 63 ( 4 ) page： 403 - 417   2020

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    Authorship：Lead author,　Corresponding author   Language：Japanese   Publishing type：Research paper (scientific journal)  

    File： 心理学評論63-4P403-417五十嵐論文.pdf

  38. 援助要請における援助者の切り替え方略：援助者数が援助要請者のストレスに及ぼす影響 Reviewed

    古橋健悟, 五十嵐祐

    社会心理学研究     2020

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    Authorship：Last author   Language：Japanese   Publishing type：Research paper (scientific journal)  

  39. Switching helpers: Effect of number of helpers on help-seekers’ stress

    Furuhashi, K., Igarashi, T.

    Research in Social Psychology   Vol. 36 ( 2 ) page： 39 - 48   2020

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Society of Social Psychology  

    <p>Repeated help-seeking from the same helper produces gradually stronger hesitation. Therefore, switching helpers in one’s social network could be an effective strategy. We conducted an online experiment to examine whether people feel less stressed if they switch helpers in a repeated help-seeking situation. After reading a vignette about a stressful situation (depression or unemployment), participants judged the level of stress and chose a helper in their social network. Participants then received feedback that the situation had not improved even after help had been given and repeated the choice five times. The results showed that participants perceived lower stress in both depression and unemployment situations if they sought help from a greater number of helpers after controlling for social network size and diversity of helpers. The effectiveness of switching helpers and its mechanisms are discussed.</p>

    DOI： 10.14966/jssp.1931

    Scopus

    CiNii Research

  40. Inhibition of social pain for the execution of ostracizing under the name of utilitarianism

    Tamai Ryuichi, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 83 ( 0 ) page： 2B-022 - 2B-022   2019.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.83.0_2b-022

    CiNii Research

  41. Indiscriminative retaliation under unidentifiability

    Sawada Gota, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 83 ( 0 ) page： 3B-018 - 3B-018   2019.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.83.0_3b-018

    CiNii Research

  42. Psychometric properties of the Japanese version of the Imposing Memory Task (IMT-J) among Japanese adults

    Hirashima Taro, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 83 ( 0 ) page： 3B-068 - 3B-068   2019.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.83.0_3b-068

    CiNii Research

  43. Approval of ostracism as a legal sanction: The justification effect of utilitarian rationale,刑罰としての排斥の容認―功利主義的な根拠の正当化効果― Reviewed

    Tamai, R., Igarashi, T.

    Shinrigaku Kenkyu   Vol. 90 ( 2 ) page： 187 - 193   2019.6

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    <p>Ostracism is a contradicted social action because it has been widely adopted as a legal sanction but is also considered to be excessive enforcement. In the present study, we conducted a scenario-based experiment to examine the psychological process underlying the endorsement of ostracism in school settings. We focused on three general rationales to justify the sanction: a general prevention to protect public welfare (utilitarianism); a counter to deviance from social norms (retributivism); and a type of education to rehabilitate a perpetrator (moral education). The results showed that utilitarianism was more effective in justifying ostracism than retributivism or moral education. Further, preferences towards ostracism based in utilitarianism were less susceptible to influence from others. These findings indicate people’s general preference for the protection of public welfare over the segregation of wrongdoers.</p>

    DOI： 10.4992/jjpsy.90.17338

    Scopus

    CiNii Research

  44. Development of the Japanese version of the three-item loneliness scale Reviewed

    Igarashi, T.

    BMC Psychology   Vol. 7 ( 1 ) page： 20   2019

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1186/s40359-019-0285-0

    Web of Science

    Scopus

    PubMed

  45. クラウドソーシングを利用したアンケートデータ収集のノウハウと課題

    白木 優馬, 五十嵐 祐

    デジタルプラクティス   Vol. 9 ( 4 ) page： 874 - 885   2018.10

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    近年，クラウドソーシングを用いて，大規模なサンプルを対象としてアンケートを配布する研究が活発に行われている．本稿では，クラウドソーシングを用いたアンケートデータ収集のメリットについてまとめたのち，筆者らのこれまで実践において直面してきた課題について紹介する．さらに，データの信頼性の担保やワーカへの倫理的配慮といった具体的な課題への対応に関するノウハウとともに，クラウドソーシングの利用にともなう各種の注意点についても紹介する．

    CiNii Books

  46. "Paying it forward" via satisfying a basic human need: The need for relatedness satisfaction mediates gratitude and prosocial behavior Reviewed

    Yuma Shiraki, Tasuku Igarashi

    ASIAN JOURNAL OF SOCIAL PSYCHOLOGY   Vol. 21 ( 1-2 ) page： 107 - 113   2018.3

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：WILEY  

    People who receive kindness tend to feel gratitude and act in a prosocial manner toward third persons (i.e., paying it forward). Combining the separate evidence that (a) gratitude leads to the formation of strong psychological bonds from a beneficiary to a benefactor and that (b) people become more prosocial toward strangers when the need for relatedness (NFR) is satisfied, two online experiments were conducted to examine if NFR satisfaction mediates the association between gratitude and prosocial behavior toward third persons. After evoking gratitude by recalling past experiences (Study 1) or writing a letter to someone (Study 2), participants were asked to make a donation from their remuneration for the experiment to a charity organization. As predicted, emotional manipulation promoted donation via feelings of gratitude and satisfied NFR. Implications of the current model for integrating previous findings are discussed.

    DOI： 10.1111/ajsp.12211

    Web of Science

    Scopus

  47. Mortality salience and altruistic behavior : Focusing on group identity and group permeability

    Furuhashi Kengo, Igarashi Tasuku

    対人社会心理学研究 = Japanese journal of interpersonal and social psychology   ( 18 ) page： 71 - 75   2018.3

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：大阪大学大学院 人間科学研究科 対人社会心理学研究室  

    Previous studies have shown that people high in group identity are likely to cooperate with other group members. This study examines if mortality salience increases altruism among those low in group identity in impermeable groups. Results showed that participants low in group identity in the mortality salience condition behaved altruistically when the group permeability was low. Thus, people low in group identity adopt the strategy of being more altruistic only if it is difficult to leave the group. This suggests that when the group is impermeable, people low in group identity have no option but to behave altruistically to justify their cultural world-view in the group due to the difficulty to moving to other group.

    DOI： 10.18910/70543

    CiNii Books

    Other Link： http://hdl.handle.net/11094/70543

  48. The effects of collectivism and others attitudes on assent to ostracism

    Tamai Ryuichi, Igarashi Tasuku

    The Proceedings of the Annual Convention of the Japanese Psychological Association   Vol. 81 ( 0 ) page： 3B-009 - 3B-009   2017.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Psychological Association  

    DOI： 10.4992/pacjpa.81.0_3b-009

    CiNii Research

  49. We Can’t Return Evil for Good: The Comparison between Direct and Indirect Reciprocity Reviewed

    Yuma Shiraki, Tasuku Igarashi

    Letters on Evolutionary Behavioral Science   Vol. 8 ( 1 ) page： 4-7   2017.2

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Human Behavior and Evolution Society of Japan  

    DOI： 10.5178/lebs.2017.54

  50. Regulatory focus and preference for cooperation: Choices in Prisoner's Dilemma tasks

    Sato Yuki, Igarashi Tasuku

    Japanese Journal of Social Psychology   Vol. 33 ( 2 ) page： 93 - 100   2017

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japanese Society of Social Psychology  

    <p>This study investigated the effect of a player's regulatory focus on his/her preference for cooperation and prosociality in a social dilemma situation. After the manipulation of regulatory focus, participants chose cooperation (remaining silent) or defection (betrayal) in simultaneous and sequential Prisoner's Dilemma (PD) tasks based on a traditional scenario of prison sentence rewards. Participants in the prevention focus condition showed more defection than did those in the promotion focus and the control conditions. In the sequential PD task, a greater number of participants in the prevention focus condition used an egoistic strategy (<i>i.e.</i>, consistent defection) as the second movers than did those in the promotion focus and the control conditions, who tended to use a conditional cooperation strategy. These findings suggest that prevention-focused players show a less strong preference for cooperation and behave more selfishly when the pay-off matrix is loss-framed.</p>

    DOI： 10.14966/jssp.0947

    Scopus

    CiNii Books

    CiNii Research

  51. Conceptions of happiness and life satisfaction: An exploratory study in 14 national groups Reviewed

    Joshanloo, M., Rizwan, M., Khilji, I. A., Ferreira, M. C., Poon, W.-C., Sundaram, S., Ho, L. S., Yeung, V. W.-l., Han, G., Bae, J., Demir, M., Achoui, M., Pang, J. S., Jiang, D.-Y., Lamers, S. M. A., Turan, Y., Lepshokova, Z. K., Panyusheva, T., Natalia, A., Asano, R., Igarashi, T., & Tsukamoto, S.

    Personality and Individual Differences   Vol. 102   page： 145-148   2016.11

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.paid.2016.06.065

  52. 自己愛傾向と自尊心がゲームへの没入傾向に及ぼす影響 Reviewed

    加藤 仁, 五十嵐 祐

    心理学研究   Vol. 87   page： 1-11   2016.1

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.4992/jjpsy.87.14033

  53. 向社会的行動の受け手の感謝および負債感を喚起する要因の検討 心理学研究 Reviewed

    白木優馬, 五十嵐祐

    心理学研究   Vol. 10   page： 29-36   2016

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.4992/jjpsy.87.15040

  54. 精神的健康・幸福度をめぐる新たな二者関係理論とその実証方法 Reviewed

    浅野良輔,五十嵐祐

    心理学研究     2015

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    DOI： 00

  55. Improving medical and health decision-making through culture-sensitive health communication: An agenda for science and practice.

    Betsch, C., Böhm, R., (remaining authors in alphabetical order) Airhihenbuwa, C., Butler, R., Chapman, G., Haase, N., Herrmann, B., Igarashi, T., Kitayama, S., Korn, L., Nurm, Ü-K., Rohrmann, B., Rothman, A., Shavitt, S., Updegraff, J. A., & Uskul, A.

    Medical Decision Making     2015

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi: 10.1177/0272989X15600434

  56. 自己愛傾向と自尊心がゲームへの没入傾向に及ぼす影響 Reviewed

    加藤仁,五十嵐祐

    心理学研究     2015

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    DOI： 00

  57. Cross-cultural validation of the fear of happiness scale across 14 national groups. Reviewed

    Joshanloo, M., Lepshokova, Z., Panyusheva, T., Natalia, A., Poon, W., Yeung, V., Sundaram, S., Achoui, M., Asano, R., Igarashi, T., Tsukamoto, S., Rizwan, M., Khilji, I., Ferreira, M. C., Pang, J., Ho, L., Han, G., Bae, J., & Jiang, D.-Y.

    Journal of Cross-Cultural Psychology     2014

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1177/0022022113505357

  58. 日本版HEMA尺度の作成と検討――幸せへの動機づけとは―― Reviewed

    浅野良輔,五十嵐祐,塚本早織

    心理学研究     2014

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 00

  59. Fragility of happiness beliefs across 15 national groups. Reviewed

    Joshanloo, M., Weijers, D., Jiang, D.-Y., Han, G., Bae, J., Pang, J. S., Ho, L. S., Ferreira, M. C., Demir, M., Rizwan, M., Khilji, I. A., Achoui, M., Asano, R., Igarashi, T., Tsukamoto, S., Lamers, S. M. A., Turan, Y., Sundaram, S., Yeung, V. W. L., Poon, W.-C., Lepshokova, Z., Panyusheva, T., & Natalia, A.

    Journal of Happiness Studies   Vol. 15   page： 1-26   2014

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi: 10.1007/s10902-014-9553-0

  60. Text-Mining Analysis on Recognition of Loneliness in Relation to Delay Discounting, and Social Value Orientation

      Vol. 9 ( 3 ) page： 17-25   2012.3

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  61. Perceived entitativity of social networks

    Igarashi, T., & Kashima, Y.

    Journal of Experimental Social Psychology   Vol. 47   page： 1048-1058   2011.11

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    Language：English   Publishing type：Research paper (scientific journal)  

  62. An exploratory analysis of structural characteristics of Web sites

      Vol. 9 ( 2 ) page： 23-34   2011.9

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  63. How social comparison processes of interpersonal environments affect subjective evaluation of rewards :Using a delay-discounting task

      Vol. 8 ( 1 ) page： 11-17   2010.6

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  64. No mobile, no life: Self-perception and text-message dependency among Japanese high school students

    Igarashi, T., Motoyoshi, T., Takai, J., & Yoshida, T.

    Computers in Human Behavior   Vol. 24   page： 2311-2324   2008.10

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  65. Frontiers of psychological studies (2) Frontiers of studies on interpersonal psychology (6) Communication designated by person to person connection: interpersonal psychology of network

      Vol. 49 ( 8 ) page： 530-540   2008.8

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  66. Culture, trust and social networks

    Igarashi, T., Kashima, Y., Kashima, E. S., Farsides, T., Kim, U., Strack, F., Werth, L., & Yuki, M.

    Asian Journal of Social Psychology   Vol. 11   page： 88-101   2008.1

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  67. Gender differences in social network development via mobile phone text messages: A longitudinal study

    Igarashi, T., Takai, J., & Yoshida, T.

    Journal of Social and Personal Relationships   Vol. 22   page： 691-713   2005.10

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  68. A conceptual framework of micro- and meso-level effects of computer-mediated communication on psychological well-being

      Vol. 51   page： 145-162   2004.12

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  69. メディアコミュニケーションが心理的健康に与える影響 : 大学新入生の社会的ネットワークと孤独感を中心として

    五十嵐 祐

    名古屋大学大学院教育発達科学研究科紀要. 心理発達科学   Vol. 50   page： 323-325   2003.12

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  70. Development of the Information-Exploration Scale and Its Relation to Undergraduates' Media Usage

      Vol. 50   page： 285-292   2003.12

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  71. 大学新入生の携帯メール利用が入学後の孤独感に与える影響

    五十嵐 祐, 吉田 俊和

    心理学研究   Vol. 74 ( 4 ) page： 379-385   2003.10

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  72. The effect of social skills on loneliness through mediation of CMC social networks

      Vol. 17 ( 2 ) page： 97-108   2002.1

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

  73. 大学新入生の携帯メール利用が孤独感に及ぼす影響

    五十嵐 祐

    心理発達科学論集   ( 31 ) page： 1-7   2001

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

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Books 11

  1. Encyclopedia of mathemtatical sociology

    （ Role： Contributor）

    2022.8  （ ISBN:9784621306659 ）

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    Total pages：xvi, 760p   Language：Japanese

    CiNii Books

  2. 心理臨床実践のための心理学 (心の専門家養成講座5)

    五十嵐祐（ Role： Contributor ,  社会的存在としての人間）

    ナカニシヤ出版  2021.4  （ ISBN:4779515599 ）

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    Total pages：144   Language：Japanese

    CiNii Books

    ASIN

  3. こころの危機への心理学的アプローチ―個人・コミュニティ・社会の観点から

    五十嵐祐（ Role： Contributor ,  テロによる心理的危機―テロ対策と社会的ネットワーク―）

    金剛出版  2019.6  （ ISBN:4772417028 ）

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    Total pages：220   Language：Japanese

    CiNii Books

    ASIN

  4. （翻訳）社会的ネットワークを理解する

    五十嵐祐, 佐藤 有紀, 加藤 仁, 古谷 嘉一郎, 西村 太志, 竹村 幸祐, 竹中 一平, 平島 太郎, 石黒 格, 浅野 良輔（ Role： Supervisor (editorial)）

    北大路書房  2015  （ ISBN:4762829005 ）

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  5. Exponential Random Graph Models for Social Networks: Theories, Methods and Applications

    Dean Lusher, Johan Koskinen, Garry Robins（ Role： Joint author）

    2012.11  （ ISBN:9780521141383 ）

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    Language：English

  6. 対人関係の社会心理学

    吉田俊和・橋本剛・小川一美（ Role： Joint author）

    ナカニシヤ出版  2012.10  （ ISBN:477950693X ）

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    Language：Japanese

  7. 幸福を目指す対人社会心理学

    大坊郁夫（ Role： Joint author）

    ナカニシヤ出版  2012.2  （ ISBN:978-4-7795-0445-7 ）

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    Language：Japanese

  8. 体験で学ぶ社会心理学

    吉田俊和・元吉忠寛（ Role： Joint author）

    ナカニシヤ出版  2010.4  （ ISBN:4779504627 ）

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    Language：Japanese

  9. 健康とくらしに役立つ心理学

    金政祐司・大竹恵子（ Role： Joint author）

    北樹出版  2009.3  （ ISBN:477930170X ）

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    Language：Japanese

  10. 社会心理学事典

    日本社会心理学会（ Role： Joint author）

    丸善  2009.3  （ ISBN:4621081071 ）

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    Language：Japanese

  11. インターネット心理学のフロンティア

    三浦麻子・森尾博昭・川浦康至（ Role： Joint author）

    誠信書房  2009.2  （ ISBN:4414301696 ）

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    Language：Japanese

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MISC 2

  1. SNSにみる「ウチ」と「ソト」 Invited

    五十嵐 祐

    学鐙   Vol. 117 ( 1 ) page： 10 - 13   2020.3

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    Language：Japanese   Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)  

    File： 五十嵐_学燈2020年春号.pdf

  2. 機械仕掛けのトルコ人, 人間仕掛けのクラウドソーシング Invited

    五十嵐祐

    心理学ワールド   Vol. 82   page： 23 - 24   2018.7

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    Authorship：Lead author,　Corresponding author   Publishing type：Article, review, commentary, editorial, etc. (other)  

To the head of MISC.▲

Presentations 130

  1. Cognitive flexibility and empathy: Key factors in detecting and adapting to different norms

    Tasuku Igarashi

    The 15th Biennial Asian Association of Social Psychology (AASP2023), The Education University of Hong Kong  2023.7.13 

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    Event date： 2023.7

    Language：English   Presentation type：Oral presentation (general)  

  2. Individuating information and cross-class social selection

    Chen, J, Igarashi, T

    The 15th Biennial Asian Association of Social Psychology (AASP2023), The Education University of Hong Kong 

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    Event date： 2023.7

    Language：English   Presentation type：Oral presentation (general)  

  3. The power of one-sided relationship: Mitigating loneliness through parasocial relationships with real and virtual figures

    Igarashi, T, Mitsunaga, H, Hirashima, T, Yoshida, T

    The Society for Ambulatory Assessment Conference 2023, Amsterdam, Netherlands.  2023.6.5 

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    Event date： 2023.6

    Language：English   Presentation type：Oral presentation (general)  

  4. Altruism drives us to share accurate, not fake, information about COVID-19 vaccines: An experimental study in Japan

    Chen, J, Igarashi, T

    The 24th Annual Meeting of the Society for Personality and Social Psychology, Atlanta, USA 

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    Event date： 2023.2

    Language：English   Presentation type：Oral presentation (general)  

  5. 日本の不審者の外見的特徴‐Web上の大規模データを用いた検討‐

    佐名 龍太, 五十嵐 祐

    日本法科学技術学会第27回学術集会 

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    Event date： 2022.11

    Language：Japanese   Presentation type：Oral presentation (general)  

  6. エピソードシミュレーションによる援助要請の促進

    古橋 健悟, 五十嵐 祐

    日本社会心理学会第63回大会  2022.9.14 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  7. ギャンブル勝利時の音声刺激が深追い行動に与える影響

    足立 吉規, 五十嵐 祐

    日本社会心理学会第63回大会  2022.9.15 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Poster presentation  

  8. 社会的地位と協調性が集団への新規参入者の受容に与える影響

    陳 佳玉, 五十嵐 祐

    日本社会心理学会第63回大会  2023.9.14 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  9. 社会的空想と孤独感：経験サンプリング法による検討

    五十嵐 祐, 平島 太郎, 光永 悠彦, 吉田 琢哉

    日本社会心理学会第63回大会  2022.9.15 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  10. メンタライジングと社会的ネットワークサイズの関連：Imposing Memory Taskを用いた予備的検討

    平島 太郎, 五十嵐 祐

    日本心理学会第86回大会  2022.9.11 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  11. 社会的比較と知覚される社会移動が階層間の印象形成に与える影響

    陳 佳玉, 五十嵐 祐

    日本心理学会第86回大会  2022.9.8 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  12. 転職活動における援助要請行動：日誌法による記述的検討

    古橋 健悟, 五十嵐 祐

    日本心理学会第86回大会  2022.9.10 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  13. 自己視点がSNS投稿における道徳的判断に及ぼす影響

    加藤 仁, 五十嵐 祐

    日本心理学会第86回大会  2022.9.8 

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    Event date： 2022.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  14. Bayesian Parameter Estimation for Stochastic Actor Oriented Models on Supercomputers

    Chan, C, Liptai, D, Koskinen, J, Poole, G, Gallagher, C, Igarashi, T

    Paper presented at the XLII Social Networks Conference of the International Network for Social Network Analysis, Cairns, Australia 

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    Event date： 2022.7

    Language：English   Presentation type：Oral presentation (general)  

  15. Task-switching ability and community switching

    Igarashi, T, Hirashima, T

    Paper presented at the XLII Social Networks Conference of the International Network for Social Network Analysis, Cairns, Australia.  2022.7 

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    Event date： 2022.7

    Language：English   Presentation type：Oral presentation (general)  

  16. オープンな360度評価は従業員パフォーマンスを予測するか？

    赤澤 祥貴, 橋本 萌那, 加藤 周, 五十嵐 祐, 笹原 和俊

    第1回計算社会科学会大会 (CSSJ2022) 

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    Event date： 2022.2 - 2022.3

    Language：Japanese   Presentation type：Oral presentation (general)  

  17. フェイクニュースの共有を促す言語的特徴に関する実験的検討

    加藤 周, 橋本 萌那, 五十嵐 祐, 笹原 和俊

    第1回計算社会科学会大会 (CSSJ2022) 

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    Event date： 2022.2 - 2022.3

    Language：Japanese   Presentation type：Oral presentation (general)  

  18. J-LIWC2015による日本語テキスト解析

    五十嵐 祐, 笹原 和俊, 奥田 慎平

    日本心理学会第85回大会  2021.9.2 

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    Event date： 2021.9

    Language：Japanese   Presentation type：Symposium, workshop panel (public)  

  19. 心理学研究におけるQualtricsの活用

    五十嵐 祐

    【クアルトリクス・シンポジウム】「小さなシグナル」に耳を澄ます： クラウド型ソフトウェアが拓く、新たな時代の学生・研究体験創造 日本心理学会第85回大会  2021.9.3 

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    Event date： 2021.9

    Language：Japanese   Presentation type：Symposium, workshop panel (public)  

  20. 援助場面の想起が援助者・援助要請者が知覚する援助コストに及ぼす影響

    古橋 健悟, 五十嵐 祐

    日本心理学会第85回大会 

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    Event date： 2021.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  21. Sampling networks for learning networks: A dynamic relational event approach.

    Tasuku Igarashi

    日本社会心理学会第62回大会 

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    Event date： 2021.8 - 2021.9

    Language：English   Presentation type：Oral presentation (general)  

  22. Simulation of the absence of cost enhances perceived helpers’ cost.

    古橋 健悟, 五十嵐 祐

    日本社会心理学会第62回大会 

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    Event date： 2021.8 - 2021.9

    Language：English   Presentation type：Oral presentation (general)  

  23. Birds of a different feather reciprocate each other: Cooperativeness visibility, costly favor, and the reduction of rich-poor segregation.

    Chen, J, Igarashi, T

    The 14th Biennial Conference of Asian Association of Social Psychology (AASP2021) (Online) 

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    Event date： 2021.7

    Language：English   Presentation type：Oral presentation (general)  

  24. Self-oriented perspective-taking and perception of helper’s cost.

    Furuhashi, K, Kiyokawa, S, Igarashi, T

    The 14th Biennial Conference of Asian Association of Social Psychology (AASP2021) (Online) 

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    Event date： 2021.7

    Language：English   Presentation type：Oral presentation (general)  

  25. Overcoming choice homophily under wealth disparities in dynamic social networks

    Chen, J, Igarashi, T

    The 5th Australian Social Network Analysis Conference (Virtual conference) 

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    Event date： 2020.11

    Language：English   Presentation type：Oral presentation (general)  

  26. Executive functions and community multiplexity.

    Igarashi, T, Hirashima, T

    日本社会心理学会第61回大会 

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    Event date： 2020.11

    Language：English   Presentation type：Oral presentation (general)  

  27. Universal cooperation beyond the rich-poor boundaries: Process of reducing socioeconomic inequality in dynamic networks

    Chen, J, Igareashi, T

    日本社会心理学会第61回大会 

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    Event date： 2020.11

    Language：English   Presentation type：Oral presentation (general)  

  28. 弱い紐帯を含むパーソナルネットワークの構造

    平島 太郎, 五十嵐 祐

    日本社会心理学会第61回大会 

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    Event date： 2020.11

    Language：Japanese   Presentation type：Oral presentation (general)  

  29. Pearls are everywhere but not the same as the eyes? Wealthy people can be altruistic towards the poor who are well-disposed

    Chen, J, Igarashi, T

    The 21st Annual Meeting of the Society for Personality and Social Psychology (New Orleans) 

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    Event date： 2020.2

    Language：English   Presentation type：Poster presentation  

  30. When we switch help givers: Effects of perceived help givers’ costs on helper selection in the repeated help-seeking situation

    Furuhashi, K, Igarashi, T

    The 21st Annual Meeting of the Society for Personality and Social Psychology (New Orleans) 

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    Event date： 2020.2

    Language：English   Presentation type：Poster presentation  

  31. Perceived entitativity promotes indiscriminative retaliation to unidentifiable others

    Sawada, G, Igarashi, T, Kiyokawa, S

    The 21st Annual Meeting of the Society for Personality and Social Psychology (New Orleans) 

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    Event date： 2020.2

    Language：English   Presentation type：Poster presentation  

  32. Loneliness may be contagious, but among the non-lonely: A longitudinal analysis of social influence process in large adolescent friendship networks

    Tasuku Igarashi

    The 4th Australian Social Network Analysis Conference, Adelaide, Australia. 

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    Event date： 2019.11

    Language：English   Presentation type：Oral presentation (general)  

  33. 日本における犯罪者に対するステレオタイプの様態：自由記述を用いた検討

    佐名 龍太, 五十嵐 祐

    日本社会心理学会第60回大会 

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    Event date： 2019.11

    Language：Japanese   Presentation type：Oral presentation (general)  

  34. 行為者の識別可能性と集団実体性知覚および無差別報復との関連

    澤田 昂大, 五十嵐 祐

    日本社会心理学会第60回大会 

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    Event date： 2019.11

    Language：Japanese   Presentation type：Oral presentation (general)  

  35. 社会経済的格差が協力行動に及ぼす影響：繰り返し囚人のジレンマゲームによる検証

    陳 佳玉, 五十嵐 祐

    日本社会心理学会第60回大会 

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    Event date： 2019.11

    Language：Japanese   Presentation type：Oral presentation (general)  

  36. 功利主義に基づく排斥の行使: 社会的痛みの抑制プロセスに着目して

    玉井 颯一, 五十嵐 祐

    日本心理学会第83回大会 

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    Event date： 2019.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  37. 日本語版Imposing Memory Task（IMT-J）の開発（2）: 成人サンプルを対象とした検討

    平島 太郎, 五十嵐 祐

    日本心理学会第83回大会 

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    Event date： 2019.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  38. All That Is Gold Does Not Glitter : An Experiment for Investigating Effects of Cognitive Resource Disparity on Acceptance of Outgroup Members.

    Chen, J, Igarashi, T

    The 13th Biennial Conference of Asian Association of Social Psychology (AASP2019) (Taipei) 

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    Event date： 2019.7

    Language：English   Presentation type：Oral presentation (general)  

  39. When the two become the one: Indiscriminative retaliation against others under unidentifiability

    Sawada, G, Igarashi, T

    The 13th Biennial Conference of Asian Association of Social Psychology (AASP2019) (Taipei) 

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    Event date： 2019.7

    Language：English   Presentation type：Oral presentation (general)  

  40. Task-switching ability fosters multiple community belonging on social networking service

    Igarashi, T, Chen, J, Hayakawa, M, Sawada, G, Hirashima, T

    The 13th Biennial Conference of Asian Association of Social Psychology (AASP2019) (Taipei) 

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    Event date： 2019.7

    Language：English   Presentation type：Oral presentation (general)  

  41. Switch, and ye shall find: The effect of switching helpers on perceived stress in help-seeking situation.

    Furuhashi, K, Igarashi, T

    The 13th Biennial Conference of Asian Association of Social Psychology (AASP2019) (Taipei) 

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    Event date： 2019.7

    Language：English   Presentation type：Oral presentation (general)  

  42. Can’t stop looking at her: Automatic theorization to infer other’s mental states in ambiguous situation

    Hayakawa, M, Igarashi, T

    The 13th Biennial Conference of Asian Association of Social Psychology (AASP2019) (Taipei) 

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    Event date： 2019.7

    Language：English   Presentation type：Oral presentation (general)  

  43. Thinking in others’ shoes helps reading their minds: Embodied cognition promotes reading facial expression of emotion

    Hayakawa, M, Hirashima, T, Igarashi, T

    The 20th Annual Meeting of the Society for Personality and Social Psychology (SPSP2019) (Portland) 

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    Event date： 2019.2

    Language：English   Presentation type：Oral presentation (general)  

  44. 身体化が視点取得に及ぼす影響 日本人サンプルを対象とした検討

    早川 美歩, 五十嵐 祐

    日本グループダイナミックス学会第65回大会  2018.9.8 

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    Event date： 2018.9

    Language：Japanese   Presentation type：Oral presentation (general)  

  45. Are lone wolves more sociable than a wolf pack? Loneliness and friendship selection processes among first-year undergraduates

    Igarashi, T, Tamai, R, Yoshida, T, Hirashima,T

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：English   Presentation type：Oral presentation (general)  

  46. Twitterのプライバシー設定利用動機と自己開示傾向との関連：「プライバシー・パラドックス」は存在するか

    澤田 昂大, 五十嵐 祐

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：Japanese   Presentation type：Oral presentation (general)  

  47. Ostracism for maximizing the whole benefit of the group: Psychological process of suppressing social pain associated with ostracizing

    玉井 颯一, 五十嵐 祐

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：English   Presentation type：Oral presentation (general)  

  48. Changes of stress in the situations where we must seek help repeatedly: The moderation effects of subjective well-being and loneliness

    古橋 健悟, 五十嵐 祐

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：English   Presentation type：Oral presentation (general)  

  49. 協働関係における行為者の役割と社会的ネットワークの近接性：中国の映画産業を対象とした検討

    陳 佳玉, 五十嵐 祐

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：Japanese   Presentation type：Oral presentation (general)  

  50. 空間的視点取得による身体化が他者の心的状態の推測に及ぼす影響

    早川 美歩, 平島 太郎, 五十嵐 祐

    日本社会心理学会第59回大会 

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    Event date： 2018.8

    Language：Japanese   Presentation type：Oral presentation (general)  

  51. Grasping Connections by Way of Appreciation: Gratitude and Accuracy of Social Network Perception

    Shiraki, Y, Igarashi, T

    The 19th Annual Meeting of the Society for Personality and Social Psychology (SPSP2018) (Atlanta) 

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    Event date： 2018.3

    Language：English   Presentation type：Oral presentation (general)  

  52. Odd Man Out for Everyone: Utilitarianism Legitimizes Ostracizing

    Tamai, R, Igarashi, T

    The 19th Annual Meeting of the Society for Personality and Social Psychology (SPSP2018) (Atlanta) 

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    Event date： 2018.3

    Language：English   Presentation type：Oral presentation (general)  

  53. In What Group and Feeling, Can We Help Others?: Altruistic Behavior under Mortality Salience

    Furuhashi, K, Igarashi, T

    The 19th Annual Meeting of the Society for Personality and Social Psychology (SPSP2018) (Atlanta) 

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    Event date： 2018.3

    Language：English   Presentation type：Oral presentation (general)  

  54. Chasing stars and confirming alliance: Two effective strategies for learning social network structure

    Igarashi, T, Kato, J, Shiraki, Y, Hirashima, T, Tamai, R

    The 2nd Australian Social Network Analysis Conference (ASNAC 2017) (Sydney, Australia) 

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    Event date： 2017.11

    Language：English   Presentation type：Oral presentation (general)  

  55. Do the boughs that bear most hang lowest?：The relationships of trait-level gratitude with self-reported prestige and dominance

    白木 優馬, 五十嵐 祐

    日本社会心理学会第58回大会  2017.10.28 

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    Event date： 2017.10

    Language：English   Presentation type：Poster presentation  

  56. Seeking a sense of power or security from personal communities: Motivational basis of community affiliation

    平島 太郎, 五十嵐 祐

    日本社会心理学会第58回大会  2017.10.28 

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    Event date： 2017.10

    Language：English   Presentation type：Oral presentation (general)  

  57. Mortality salience and altruistic egoism in groups: Focusing on social identity and group permeability

    古橋 健悟, 五十嵐 祐

    日本社会心理学会第58回大会  2017.10.29 

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    Event date： 2017.10

    Language：English   Presentation type：Oral presentation (general)  

  58. How am I popular really?: Egocentric orientation in social network memory task

    加藤 仁, 五十嵐 祐

    日本社会心理学会第58回大会  2017.10.28 

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    Event date： 2017.10

    Language：English   Presentation type：Oral presentation (general)  

  59. Generalized trust and generalized social selection processes in social networks

    五十嵐 祐, 平島 太郎

    日本社会心理学会第58回大会  2017.10.28 

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    Event date： 2017.10

    Language：English   Presentation type：Oral presentation (general)  

  60. Cooperative Motivations Leads Us to Keep Silence in Group Decision-Making

    Tarui, K, Igarashi, T

    The 18th Annual Meeting of the Society for Personality and Social Psychology (SPSP2017) (San Antonio, TX) 

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    Event date： 2017.1

    Language：English   Presentation type：Poster presentation  

  61. Well-being as orientations from hedonic and eudaimonic views: Temporal stability and predictive power

    Asano, R, Tsukamoto, S, Igarashi, T

    The 18th Annual Meeting of the Society for Personality and Social Psychology (SPSP2017) (San Antonio, TX) 

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    Event date： 2017.1

    Language：English   Presentation type：Poster presentation  

  62. Love Thy Neighbor from the Future: Revised Dictator Game with a Temporally Distant Recipient

    Kuwahara, K, Shiraki, Y, Igarashi, T

    The 18th Annual Meeting of the Society for Personality and Social Psychology (SPSP2017) (San Antonio, TX) 

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    Event date： 2017.1

    Language：English   Presentation type：Poster presentation  

  63. 社会考慮がもたらすソーシャルメディアの第三者効果

    五十嵐　祐

    日本社会心理学会第53回大会  

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    Event date： 2012.11

    Language：Japanese  

  64. 社会考慮と社会参加：一般的信頼、橋渡し型・結束型社会関係資本との関連から

    五十嵐　祐

    日本心理学会第76回大会発表論文集 

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    Event date： 2012.9

    Language：Japanese  

  65. Current directions of social psychology research in Japan: focusing on the interpersonal viewpoints

    五十嵐　祐

    AASP/JGDA/JSSP Joint Symposium presented at the 59th Annual Meeting of the Japanese Group Dynamics Association, Kyoto University 

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    Event date： 2012.9

    Language：English  

  66. 互恵性の信念が社会的ネットワークの学習課題の成績に及ぼす影響

    五十嵐　祐

    日本グループ・ダイナミックス学会第59回大会発表論文集 

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    Event date： 2012.9

    Language：Japanese  

  67. Bridging social networks foster youth’s voting through an increase in social consideration International conference

    五十嵐　祐

    Poster session presented at the 24th Annual Convention of the Association for Psychological Science, Chicago, IL. 

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    Event date： 2012.5

    Language：English  

  68. 集団成員から見た集団の再帰性：社会的ネットワーク分析によるアプローチ

    五十嵐祐

    日本社会心理学会第52回大会シンポジウム 

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    Event date： 2011.9

    Language：Japanese  

  69. 誤った二分法への気づきとメディアの第三者効果：マスメディア・ソーシャルメディアにおける検討

    五十嵐祐

    日本心理学会第75回大会発表論文集 

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    Event date： 2011.9

    Language：Japanese  

  70. ソーシャルメディアはデマの信憑性評価を抑制するか：孤独感との関連に基づく検討

    五十嵐祐

    日本社会心理学会第52回大会発表論文集 

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    Event date： 2011.9

    Language：Japanese  

  71. 東日本大震災発生後のソーシャルメディア上のコミュニケーション：Twitterのリツイート（RT）ネットワークに関する探索的分析

    五十嵐祐

    日本グループ・ダイナミックス学会第58回大会発表論文集 

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    Event date： 2011.8

    Language：Japanese  

  72. 行為者志向型ネットワーク選択モデルによる社会的ネットワークのダイナミックスの検討

    五十嵐祐

    第3回CERSS若手スピーカーシリーズ（北海道大学社会科学実験研究センター） 

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    Event date： 2011.7

    Language：Japanese  

  73. A social network approach to reducing loneliness based on relational models theory. International conference

    Igarashi, T.

    Poster session presented at the 12th European Congress of Psychology, Istanbul, Turkey.  

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    Event date： 2011.7

    Language：English  

  74. 解釈レベルが大学生活不安に関する他者態度の推定に与える影響

    五十嵐祐

    日本教育心理学会第53回総会発表論文集 

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    Event date： 2011.7

    Language：Japanese  

  75. 対人環境の社会的比較が遅延割引に及ぼす影響

    五十嵐祐

    日本心理学会第74回大会発表論文集 

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    Event date： 2010.9

    Language：Japanese  

  76. 孤独感が引き起こす遅延割引と社会的ネットワークの緩衝効果

    五十嵐祐

    日本社会心理学会第51回大会発表論文集 

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    Event date： 2010.9

    Language：Japanese  

  77. 高信頼者の対人関係選択のダイナミックス：行為者指向型ネットワーク選択モデルによる「見極め」能力の検討

    五十嵐祐

    日本グループ・ダイナミックス学会第57回大会発表論文集 

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    Event date： 2010.8

    Language：Japanese  

  78. Loneliness and impulsivity in delay discounting. International conference

    Igarashi, T.

    Paper presented at the 27th International Congress of Applied Psychology, Melbourne, Australia.  

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    Event date： 2010.7

    Language：English  

  79. 社会的ネットワークの不均衡と規範意識のズレが関係満足感に与える影響： 階層線型モデルによるグループデータの縦断的分析

    五十嵐祐

    日本社会心理学会第50回大会・日本グループ・ダイナミックス学会第56回大会合同大会発表論文集 

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    Event date： 2009.9

    Language：Japanese  

  80. 社会的ネットワークと信頼： 文化間比較による検討

    五十嵐祐

    日本心理学会第73回大会ワークショップ 

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    Event date： 2009.8

    Language：Japanese  

  81. 関係葛藤がもたらす社会的ネットワーク構造の集中化―グループワークにおける縦断的検討―

    五十嵐祐

    日本心理学会第73回大会発表論文集 

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    Event date： 2009.8

    Language：Japanese  

  82. Network centralization and perception of relationship conflict in groups: A longitudinal study. International conference

    Igarashi, T.

    Paper presented at the 29th International Sunbelt Social Network Conference, San Diego, CA. 

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    Event date： 2009.3

    Language：English  

  83. Trust and social networks in the East and the West. International conference

    Igarashi, T., Kashima, Y., Kashima, E. S., Farsides, T., Kim, U., Strack, F., Werth, L., & Yuki, M.

    Poster session presented at the ninth annual meeting of the Society for Personality and Social Psychology, Tampa, FL 

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    Event date： 2009.2

    Language：English  

  84. How to publish your research.

    五十嵐祐

    対人社会心理学研究室 第43回Brown Bag研究会（大阪大学大学院人間科学研究科） 

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    Event date： 2008.11

    Language：Japanese  

  85. グループワークにおける集団内信頼の醸成プロセス：集団アイデンティティ、一般的信頼との関連から

    五十嵐祐

    日本社会心理学会第49回大会発表論文集 

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    Event date： 2008.11

    Language：Japanese  

  86. インターネット心理学のフロンティア：デジタル化で変貌する個人・人間関係・社会

    五十嵐祐

    日本社会心理学会第49回大会ワークショップ 

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    Event date： 2008.11

    Language：Japanese  

  87. グループワークにおける集団内信頼の縦断的変化－初期態度としての規範意識と一般的信頼の影響－

    五十嵐祐

    日本心理学会第72回大会発表論文集 

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    Event date： 2008.9

    Language：Japanese  

  88. Trust does matter in social networks: A longitudinal study. International conference

    五十嵐祐

    Paper presented at the 29th International Congress of Psychology, Berlin, Germany. 

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    Event date： 2008.7

    Language：English  

  89. 社会的交換ネットワークのミクロ構造と資源の利益効率性：力学系モデルとシミュレーションによる分析

    清水裕士・五十嵐祐

    日本グループ・ダイナミックス学会第55回大会発表論文集 

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    Event date： 2008.6

    Language：Japanese  

  90. 関係葛藤の低減に及ぼす初期態度としての一般的信頼、規範意識の影響

    五十嵐祐・小川一美・斎藤和志

    日本グループ・ダイナミックス学会第55回大会発表論文集 

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    Event date： 2008.6

    Language：Japanese  

  91. 社会的ネットワークの実体性知覚

    五十嵐祐

    第345回関西社会心理学研究会（大阪大学大学院人間科学研究科） 

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    Event date： 2008.2

    Language：Japanese  

  92. Perceived entitativity and patterns of interaction in small and large social networks. International conference

    五十嵐祐

    Poster session presented at the ninth annual meeting of the Society for Personality and Social Psychology, Albuquerque, NM. 

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    Event date： 2008.2

    Language：English  

  93. Entitativity of social networks. International conference

    五十嵐祐

    Brownbag Seminar, Department of Psychology, University of Southern California, CA. 

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    Event date： 2008.2

    Language：English  

  94. 社会的ネットワークの知覚された実体性

    五十嵐祐・嘉志摩佳久

    日本社会心理学会第48回大会発表論文集 

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    Event date： 2007.9

    Language：Japanese  

  95. Perception of group entitativity in social networks. International conference

    Igarashi, T., & Kashima, Y.

    Paper presented at the seventh biennial conference of the Asian Association of Social Psychology, Sabah, Malaysia 

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    Event date： 2007.7

    Language：English  

  96. メディアコミュニケーションと社会的ネットワークの変容：社会関係資本論によるアプローチ

    五十嵐祐

    日本グループ・ダイナミックス学会第54回大会小講演 

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    Event date： 2007.6

    Language：Japanese  

  97. Culture, trust and social networks.

    Igarashi, T., Kashima, Y., Kashima, E. S., Farsides, T., Kim, U., Strack, F., Werth, L., & Yuki, M.

    Paper presented at the 54th Annual meetings of the Japanese Group Dynamics Association, Nagoya, Japan 

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    Event date： 2007.6

    Language：English  

  98. Dynamics of social networks, trust, and social identity. International conference

    Igarashi, T., Robins, G., & Pattison, P.

    Paper presented at the 27th International Sunbelt Social Network Conference, Corfu, Greece 

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    Event date： 2007.5

    Language：English  

  99. Entitativity of social networks. International conference

    五十嵐祐

    Brownbag Seminar, Department of Psychology, University of Illinois at Urbana-Champaign, IL. 

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    Event date： 2007.2

    Language：English  

  100. Entitativity of social networks. International conference

    Igarashi, T., & Kashima, Y.

    Poster session presented at the eighth conference of the Society for Personality and Social Psychology, Memphis, TN. 

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    Event date： 2007.1

    Language：English  

  101. 社会的ネットワークの変容過程に関する縦断的検討―Exponential Random Graph (p*) Modelによるアプローチ―

    五十嵐祐

    第14回対人社会心理学フォーラム（大阪大学大学院人間科学研究科） 

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    Event date： 2006.11

    Language：Japanese  

  102. Text-message communication addiction among Japanese high school students: Somatic symptoms and self-perception of addictive behavior. International conference

    Igarashi, T., Motoyoshi, T., Takai, J., & Yoshida, T.

    Paper presented at the 92nd Annual Convention of the National Communication Association, San Antonio, TX. 

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    Event date： 2006.11

    Language：English  

  103. 社会的ネットワーク構造の縦断的変化：p*モデルによる検討

    五十嵐祐

    日本社会心理学会第47回大会発表論文集 

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    Event date： 2006.9

    Language：Japanese  

  104. 社会的ネットワークの変容過程に関する縦断的検討―Exponential Random Graph (p*) Modelによるアプローチ―

    五十嵐祐

    名古屋社会心理学研究会（名古屋大学大学院教育発達科学研究科） 

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    Event date： 2006.7

    Language：Japanese  

  105. 携帯メール依存に関する研究（3）―認知―行動モデルに基づく検討―

    五十嵐祐・元吉忠寛・高井次郎・吉田俊和

    日本グループ・ダイナミックス学会第53回大会発表論文集 

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    Event date： 2006.5

    Language：Japanese  

  106. Longitudinal changes in friendship networks: an approach from exponential random graph models. International conference

    Igarashi, T., Robins, G., & Pattison, P.

    Paper presented at the International Conference on Network Science, Bloomington, IN. 

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    Event date： 2006.5

    Language：English  

  107. Reciprocity of cross- and same-sex relationships in face-to-face and text message-mediated networks. International conference

    Igarashi, T., Robins, G., Pattison, P., & Wang, P.

    Paper presented at the 26th International Sunbelt Social Network Conference, Vancouver, Canada  

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    Event date： 2006.4

    Language：English  

  108. Culture, trust and social networks. International conference

    五十嵐祐

    Melbourne Social Psychology Meeting, Melbourne, Australia. 

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    Event date： 2006.3

    Language：English  

  109. Social selection processes in face-to-face and text message-mediated social networks: A structural approach. International conference

    Igarashi, T., Yoshida, T., Robins, G., & Wang, P.

    Poster session presented at the seventh conference of the Society for Personality and Social Psychology, Palm Springs, CA. 

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    Event date： 2006.1

    Language：English  

  110. Culture, trust and social networks. International conference

    五十嵐祐

    Social Network Analysis Colloquium, Melbourne, Australia 

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    Event date： 2005.10

    Language：English  

  111. The text messaging addiction scale: Factor structure, reliability, and validity. International conference

    Igarashi, T., Motoyoshi, T., Takai, J., & Yoshida, T.

    Paper presented at the sixth biennial conference of the Asian Association of Social Psychology, Wellington, New Zealand 

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    Event date： 2005.4

    Language：English  

  112. Structural interaction between face-to-face and mobile phone text message-mediated social networks. International conference

    Igarashi, T. & Yoshida, T.

    Paper presented at the sixth biennial conference of the Asian Association of Social Psychology, Wellington, New Zealand 

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    Event date： 2005.4

    Language：English  

  113. 携帯メール依存に関する研究（2）―携帯メール依存と利用実態―

    元吉忠寛・五十嵐祐・高井次郎・吉田俊和

    日本グループ・ダイナミックス学会第52回大会発表論文集 

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    Event date： 2005.3

    Language：Japanese  

  114. 携帯メール依存に関する研究（1）―携帯メール依存尺度の作成―

    五十嵐祐・元吉忠寛・高井次郎・吉田俊和

    日本グループ・ダイナミックス学会第52回大会発表論文集 

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    Event date： 2005.3

    Language：Japanese  

  115. 対面および携帯メールの社会的ネットワークの相互影響過程－統計的社会的ネットワークモデルを用いた検討－

    五十嵐祐・吉田俊和

    日本社会心理学会第45回大会発表論文集 

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    Event date： 2004.9

    Language：Japanese  

  116. Response styles of mobile phone text messages: Effects of gender and message contents. International conference

    Igarashi, T.

    Poster session presented at the 28th International Congress of Psychology, Beijing, China 

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    Event date： 2004.8

    Language：English  

  117. メディアコミュニケーションの心理的影響

    五十嵐祐

    名古屋社会心理学研究会（名古屋大学大学院教育発達科学研究科） 

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    Event date： 2004.5

    Language：Japanese  

  118. 高校新入生の適応プロセスに関する縦断的研究―初期適応と中・長期適応の差異を中心として－

    五十嵐祐・徳谷智美

    東海心理学会第53回大会発表論文集 

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    Event date： 2004.5

    Language：Japanese  

  119. 拒否回避欲求と親密度が携帯メールの返信スタイルに与える影響

    五十嵐祐・吉田俊和

    日本グループ・ダイナミックス学会第51回大会発表論文集 

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    Event date： 2004.5

    Language：Japanese  

  120. The impact of face-to-face and mobile phone text message communication on social network development: Longitudinal changes in network size and intimacy. International conference

    Igarashi. T. & Yoshida, T.

    Poster session presented at the fifth conference of the Society for Personality and Social Psychology, Austin, TX. 

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    Event date： 2004.1

    Language：English  

  121. 携帯メールの利用が社会的ネットワーク構造に与える影響 ：男女差を中心とした縦断的検討

    五十嵐祐・吉田俊和

    日本社会心理学会第44回大会発表論文集 

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    Event date： 2003.9

    Language：Japanese  

  122. Longitudinal changes in social network structure of face-to-face and mobile phone text messages: Focusing on gender differences. International conference

    Igarashi, T.

    Poster session presented at the fifth biennial conference of the Asian Association of Social Psychology, Manila, Phillippines 

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    Event date： 2003.7

    Language：English  

  123. 携帯メールの社会的ネットワークの有無が孤独感に与える影響―大学新入生を対象として―

    五十嵐祐・吉田俊和

    日本グループ・ダイナミックス学会第50回大会発表論文集 

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    Event date： 2003.3

    Language：Japanese  

  124. 大学新入生の携帯メール利用が入学後の孤独感に与える影響

    五十嵐祐・吉田俊和

    日本社会心理学会第43回大会発表論文集 

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    Event date： 2002.9

    Language：Japanese  

  125. CMCの社会的ネットワークを介した社会的スキルと孤独感との関連性

    五十嵐祐

    日本社会心理学会第42回大会発表論文集 

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    Event date： 2001.9

    Language：Japanese  

  126. コロナで変わったこと、変わらないこと：人間関係はどのように作られるのか？～人間のこころと社会環境のダイナミクス～ Invited

    五十嵐,祐

    あいちサイエンスフェスティバル2021（人づきあいのミライを考える～コロナによって変わるコミュニケーション、相手も自分も大切にする力～）  2021.10.30  名古屋大学学術研究・産学官連携推進本部

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

  127. Community multiplexity and task switching Invited

    Tasuku Igarashi

    Seminar at the Center for Transformative Innovation, Swinburne University of Technology  2020.2.26 

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

  128. 社会的ネットワークの形成過程を理解する

    五十嵐 祐

    高知工科大学セミナー  2019.10.8 

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    Language：Japanese  

  129. Overchoosing: A mechanism of tie formation in social networks

    Tasuku Igarashi

    Social Network Seminar at School of Psychological Science, The University of Melbourne  2020.7.3 

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

  130. Generalize trust and social selection processes International conference

    Tasuku Igarashi

    MelNet Research Seminar  2019.6.19 

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

▼display all

To the head of Presentations.▲

KAKENHI (Grants-in-Aid for Scientific Research) 9

  1. An interdisciplinary study for the principles of creating an information ecosystem resilient to fake news

    Grant number：23H00504  2023.4 - 2027.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

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    Authorship：Coinvestigator(s) 

  2. Understanting the recursive construction process of isolation and loneliness in the New Normal

    Grant number：21H00930  2021.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Authorship：Principal investigator 

    Grant amount：\17160000 （ Direct Cost: \13200000 、 Indirect Cost：\3960000 ）

  3. Development and Validation of Social Networking Principles for Mitigating Echo Chambers

    Grant number：19H04217  2019.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    Sasahara Kazutoshi

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    Authorship：Coinvestigator(s) 

    This study aims to address the echo chamber phenomenon and advocate for principles that foster information diversity. To fulfill this objective, we amassed extensive social media data to explore various echo chambers, encompassing areas like U.S. politics, LGBT issues, food preference, and the anti-vaccine movement. This investigation facilitated our understanding of how information environments become homogenized and fragmented. Based on these insights, we executed an experiment to further investigate the elements that aid in the propagation of misinformation. Our observations highlighted an uptick in the usage of emotionally charged, negative, and overemphatic language. These findings　provide the basis for new social networking principles that promote information diversity.

  4. Execution function and strategic formation of "open" social networks: A virtual lab study

    Grant number：17KK0066  2018 - 2020

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research)  Fund for the Promotion of Joint International Research (Fostering Joint International Research)

    Igarashi Tasuku

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    Authorship：Principal investigator 

    Grant amount：\14040000 （ Direct Cost: \10800000 、 Indirect Cost：\3240000 ）

    In this study, we examined whether executive function, as a cognitive neural system that controls individual thinking and behavior, facilitates cooperation with others in diverse groups with different social rules. We conducted newly developed group-switching experiments with online samples in Japan, Australia and the United States. The results revealed that the ability to learn and switch rules plays an important role in interactions in groups with different rules.

  5. Executive function and the strategic formation of "open" social networks

    Grant number：17K04314  2017.4 - 2021.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Igarashi Tasuku

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    Authorship：Principal investigator 

    Grant amount：\4290000 （ Direct Cost: \3300000 、 Indirect Cost：\990000 ）

    In this study, we examined the hypothesis that executive function, a cognitive system that needs to understand different norms and social rules across groups, plays an important role in the strategic formation of "open" social networks. We ran two experiments in undergraduate and crowdsourcing samples and revealed that individuals high in task-switching ability were likely to belong to the greater number of communities, even when controlling for individual factors such as extraversion and self-monitoring tendencies.

  6. 日本語テキスト解析のための感情辞書標準版の作成と公開：ビッグデータ時代の心理分析に向けて

    2017.4 - 2018.3

    電気通信普及財団  研究調査助成 

    五十嵐祐, 笹原和俊

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    Authorship：Principal investigator  Grant type：Competitive

    Grant amount：\1500000

  7. SNS における「つながり」のリスク：社会的ネットワーク理論に基づく実験 的検討

    2016.4 - 2017.3

    電気通信普及財団  研究調査助成 

    加藤仁, 五十嵐祐

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    Authorship：Coinvestigator(s) 

  8. Implicit attitudes and social isolation

    Grant number：25780371  2013.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    Igarashi Tasuku

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    Authorship：Principal investigator 

    Grant amount：\4030000 （ Direct Cost: \3100000 、 Indirect Cost：\930000 ）

    This longitudinal research investigated the process of social isolation in a social network in relation to maladaptive interpersonal reactions driven by negative implicit self-esteem. The data were collected from first-year undergraduates four times in a year. Analysis based on the stochastic actor-oriented model revealed that, under controlling for structural effects on relationship formation, high implicit self-esteem inhibited the expansion of social networks for information-seeking, and explicit self-esteem was positively associated with implicit self-esteem over time. The result implies that negative implicit self-esteem does not cause exclusion from others, but rather increase inactivity in relationship construction; and interventions to explicit self-esteem may be effective to the recovery of negative implicit self-esteem.

  9. 潜在的態度がもたらす社会的ネットワークからの孤立過程の解明

    2013 - 2017

    文部科学省  科学研究費補助金（若手研究(B)） 

    五十嵐 祐

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    Authorship：Principal investigator  Grant type：Competitive

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To the head of KAKENHI (Grants-in-Aid for Scientific Research).▲
 

Teaching Experience (Off-campus) 13

  1. 調査法

    （Nagoya University）

  2. 社会行動学講義

    （Nagoya University）

  3. 社会行動学演習

    （Nagoya University）

  4. 社会心理学研究

    （Nagoya University）

  5. 社会心理学

    （帝塚山大学, 北海学園大学）

  6. 発達と学習

    （北海道教育大学札幌校）

  7. 流行と消費行動の心理学

    （Sapporo University）

  8. 教育と発達の科学

    （Nagoya University）

  9. 心理行動科学概論

    （Hokkai-Gakuen University）

  10. 心理行動科学実験演習

    （Hokkai-Gakuen University）

  11. 心理学

    （Nagoya University）

  12. 対人行動学

    （Tezukayama University）

  13. 基礎実験法

    （Nagoya University）

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To the head of Teaching Experience (Off-campus).▲
 

Media Coverage 1

  1. Japan police say murder suspect's motives are being revealed TV or radio program

    https://www3.nhk.or.jp/nhkworld/en/news/20230529_08/  2023.5

To the head of Media Coverage.▲