2014～2015研究成果の概要（和文）：本研究の目的は、集団間葛藤状況が同調行動を促進させるとの仮説の妥当性を検討すること、そして、促進された同調行動が「文化」の生成を促すか否かを検討すること... more 2014～2015研究成果の概要（和文）：本研究の目的は、集団間葛藤状況が同調行動を促進させるとの仮説の妥当性を検討すること、そして、促進された同調行動が「文化」の生成を促すか否かを検討することに遭った。実験室実験および進化シミュレーションを実施した結果、１）集団間葛藤状況において少数派同調にも適応価が見られた、２）実験の結果、集団間葛藤時において多数派同調傾向は観測されなかった。ただし、協力傾向に男女差が見られた。成果１）は社会心理学研究に掲載され、成果２）は国内の諸学会にて発表された。研究成果の概要（英文）：We aim to test the validity of the hypothesis that intergroup conflict would promote conformity, and whether facilitated conformity can create "culture". 1) the majority-syncing is still adaptive in intergroup conflict even when minority-syncing invaded, 2) majority-syncing was not showed in lab experiment, but sex differences was showed in ingroup cooperation. The results of 1) was reported in Japanese Journal of Social Psychology, and the results 2) was presented in the conferences hold in Japan.科学研究費補助金研究成果報告書 研究代表者：横田 晋大［総合研究大学院大学その他の研究科研究員
Abstract The Psychopathic Personality Inventory-Revised (PPI-R) is one of the widely used instrum... more Abstract The Psychopathic Personality Inventory-Revised (PPI-R) is one of the widely used instruments for assessing psychopathy in subclinical samples. While a three-factorial model of PPI-R has been tested in US, no studies have examined the structure and correlates of the PPI-R scale in an East Asian sample. This study examined the validity of the PPI-R in a Japanese subclinical sample, and investigated correlations between subscales of psychopathy measured by PPI-R and social dominance orientation (SDO). One hundred and sixty undergraduate students in Japan participated in a survey. Two main findings revealed that (1) the factorial structure of the PPI-R in Japan was different from that found in previous studies in the United States, and (2) the first factor, including Machiavellianism, and the second factor, including Coldheartedness, were linked with SDO. The role of intergroup aggression in psychopathy is also discussed.
2014～2015研究成果の概要（和文）：本研究の目的は、集団間葛藤状況が同調行動を促進させるとの仮説の妥当性を検討すること、そして、促進された同調行動が「文化」の生成を促すか否かを検討すること... more 2014～2015研究成果の概要（和文）：本研究の目的は、集団間葛藤状況が同調行動を促進させるとの仮説の妥当性を検討すること、そして、促進された同調行動が「文化」の生成を促すか否かを検討することに遭った。実験室実験および進化シミュレーションを実施した結果、１）集団間葛藤状況において少数派同調にも適応価が見られた、２）実験の結果、集団間葛藤時において多数派同調傾向は観測されなかった。ただし、協力傾向に男女差が見られた。成果１）は社会心理学研究に掲載され、成果２）は国内の諸学会にて発表された。研究成果の概要（英文）：We aim to test the validity of the hypothesis that intergroup conflict would promote conformity, and whether facilitated conformity can create "culture". 1) the majority-syncing is still adaptive in intergroup conflict even when minority-syncing invaded, 2) majority-syncing was not showed in lab experiment, but sex differences was showed in ingroup cooperation. The results of 1) was reported in Japanese Journal of Social Psychology, and the results 2) was presented in the conferences hold in Japan.科学研究費補助金研究成果報告書 研究代表者：横田 晋大［総合研究大学院大学その他の研究科研究員
Abstract The Psychopathic Personality Inventory-Revised (PPI-R) is one of the widely used instrum... more Abstract The Psychopathic Personality Inventory-Revised (PPI-R) is one of the widely used instruments for assessing psychopathy in subclinical samples. While a three-factorial model of PPI-R has been tested in US, no studies have examined the structure and correlates of the PPI-R scale in an East Asian sample. This study examined the validity of the PPI-R in a Japanese subclinical sample, and investigated correlations between subscales of psychopathy measured by PPI-R and social dominance orientation (SDO). One hundred and sixty undergraduate students in Japan participated in a survey. Two main findings revealed that (1) the factorial structure of the PPI-R in Japan was different from that found in previous studies in the United States, and (2) the first factor, including Machiavellianism, and the second factor, including Coldheartedness, were linked with SDO. The role of intergroup aggression in psychopathy is also discussed.
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