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Title: 囚人のジレンマゲームにおいて他者について考えることが協力率に与える影響
Other Titles: The effects of imagining the other person on cooperation in a Prisoner’s Dilemma game
Authors: 北梶, 陽子1 Browse this author →KAKEN DB
曽根, 美幸2 Browse this author
佐藤, 浩輔3 Browse this author
小林, 翼4 Browse this author
大沼, 進5 Browse this author →KAKEN DB
Authors(alt): Kitakaji, Yoko1
Sone, Miyuki2
Sato, Kosuke3
Kobayashi, Tsubasa4
Ohnuma, Susumu5
Keywords: 囚人のジレンマゲーム
Prisoner’s Dilemma game
Imagining other
Expectation of mutual cooperation
Social Value Orientation
Issue Date: 30-Nov-2016
Publisher: 日本社会心理学会
Journal Title: 社会心理学研究
Journal Title(alt): Japanese Journal of Social Psychology
Volume: 32
Issue: 2
Start Page: 115
End Page: 122
Publisher DOI: 10.14966/jssp.0905
Abstract: This study investigated the effects of imagining others on cooperation in a one-shot Prisoner’s Dilemma (PD) game. There are two ways to imagine others’ perspectives: “imagining the other” or considering how the other person feels, and “imagining the self” or projecting oneself onto the other person. Participants were assigned to one of three conditions: a) the imagining-other condition, b) the imagining-self condition, and c) the control condition (thinking about a landscape). Participants played a one-shot PD game and completed the social value orientation (SVO) scale, which measures one’s cooperative tendency. Results showed that the cooperation rate was higher in the imagining-other condition, and participants in the imagining-other condition expected that the partner would cooperate and that the partner thinks they would cooperate. In contrast, in the imagining-self condition, no significant differences were observed about these variables. Furthermore, the cooperation rate increased mediated by two-way expectations in the imagining-others condition, while it was not observed in imagining-self conditions. These results show the importance of imagining others not as a reflection of self, in increasing expectation of mutual cooperation and promoting cooperation.
Type: article
Appears in Collections:文学院・文学研究院 (Graduate School of Humanities and Human Sciences / Faculty of Humanities and Human Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大沼 進

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