日本の社会心理学者たちは，活発な研究活動を展開・公表しており，その成果は日本語による論文であれば例えば日本社会心理学会の機関誌である「社会心理学研究」等の学会誌に掲載され，また学術書として公刊されています．一方，当然のことながら学問に国境はなく，特に近年では国際的な論文誌や書籍にその成果が掲載されることも増えてきました．しかし，こうした国際的成果をくまなく知ることは，あまりにそのフィールドが広いためにあまり容易ではありませんでした．
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現在の掲載論文数は，539件です．
Ishii (2017).
Ishii, T. (石井辰典) (2017).
Mentalizing, but Not Autistic Traits, Predicts Religious Belief in a Sample of Healthy Japanese Youth.
メンタライジング能力が宗教的信念を予測する：健康な日本人青年を対象とした検討
Letters on Evolutionary Behavioral Science, 8(2), 32-35.
doi: 10.5178/lebs.2017.61.
The present research examined the hypothesis that religious belief is derived from humans’ mentalizing ability in the context of East Asia where polytheistic religion is the mainstream. Two studies were conducted with a Japanese healthy sample, and both revealed that contrary to the hypothesis, autistic traits did not predict religious belief, whereas mentalizing predicted increased religious belief as expected. These findings suggest that further empirical and theoretical investigations on the origin of religious belief are needed.
Yamagishi et al. (2017).
Yamagishi, T.(山岸俊男), Li, Y.(李楊), Fermin, A.S.R, Kanai, R., Takagishi, H.(高岸治人), Matsumoto, Y.(松本良恵), Kiyonari, T. (清成透子) & Sakagami, M.(2017)
Behavioural Differences and Neural Substrates of Altruistic and Spiteful Punishment
利他的と攻撃的な罰の行動的差異と神経基盤
Scientific Reports 7, Article number: 14654 (2017)
doi:10.1038/s41598-017-15188-w
Altruistic punishment following social norm violations promotes human cooperation. However, experimental evidence indicates that some forms of punishment are spiteful rather than altruistic. Using two types of punishment games and seven non-strategic games, we identified strong behavioural differences between altruistic and spiteful punishers. Altruistic punishers who rejected unfair offers in the ultimatum game and punished norm violators in the third-party punishment game behaved pro-socially in various non-strategic games. Spiteful punishers who rejected unfair offers in the ultimatum game but did not punish norm violators in the third-party punishment game behaved selfishly in non-strategic games. In addition, the left caudate nucleus was larger in spiteful punishers than in altruistic punishers. These findings are in contrast to the previous assumption that altruistic punishers derive pleasure from enforcement of fairness norms, and suggest that spiteful punishers derive pleasure from seeing the target experience negative consequences.
プレスリリース：世界初！”利他的な罰行使者”と”攻撃的な罰行使者”の存在を明らかにし、両者で脳の形態的特徴に違いを発見－英国の科学雑誌に論文を発表－
Jayles et al. (2017).
Jayles, B., Kim, H. (金ヘリン), Escobedo, R., Cezerad, S., Blanchet, A., Kameda, T. (亀田達也), Sire, C., & Theraulaz, G. (2017).
How social information can improve estimation accuracy in human groups.
社会情報は人間集団における推定の精度をどのように向上させ得るか
Proceesings of the National Academy of Sciences of the United States of America, Early Edition (Nov. 8, 2017).
doi: 10.1073/pnas.1703696114
In our digital and connected societies, the development of social networks, online shopping, and reputation systems raises the questions of how individuals use social information and how it affects their decisions. We report experiments performed in France and Japan, in which subjects could update their estimates after having received information from other subjects. We measure and model the impact of this social information at individual and collective scales. We observe and justify that, when individuals have little prior knowledge about a quantity, the distribution of the logarithm of their estimates is close to a Cauchy distribution. We find that social influence helps the group improve its properly defined collective accuracy. We quantify the improvement of the group estimation when additional controlled and reliable information is provided, unbeknownst to the subjects. We show that subjects’ sensitivity to social influence permits us to define five robust behavioral traits and increases with the difference between personal and group estimates. We then use our data to build and calibrate a model of collective estimation to analyze the impact on the group performance of the quantity and quality of information received by individuals. The model quantitatively reproduces the distributions of estimates and the improvement of collective performance and accuracy observed in our experiments. Finally, our model predicts that providing a moderate amount of incorrect information to individuals can counterbalance the human cognitive bias to systematically underestimate quantities and thereby improve collective performance.
論文紹介記事（英文）：Modeling Social Interactions to Improve Collective Decision-making
Ozono, Kamijo, & Shimizu (2017).
Ozono, H.（大薗博記）, Kamijo, Y., & Shimizu, K. (2017).
Punishing second-order free riders before first-order free riders: The effect of pool punishment priority on cooperation
1次のフリーライダーより先に2次のフリーライダーを罰するべし：プール罰の優先順位が協力に及ぼす効果
Scientific Reports, 7, 14379.
doi:10.1038/s41598-017-13918-8
Second-order free riders, who do not owe punishment cost to first-order free riders in public goods games, lead to low cooperation. Previous studies suggest that for stable cooperation, it is critical to have a pool punishment system with second-order punishment, which gathers resources from group members and punishes second-order free riders as well as first-order free riders. In this study, we focus on the priority of punishment. We hypothesize that the pool punishment system that prioritizes second-order punishment is more likely to achieve cooperation than the system that prioritizes first-order punishment, because the former is more likely to obtain sufficient punishment resources. In the experiments, we compare four pool punishment systems: 1To2 (first-order punishment to second-order punishment), 2To1 (second-order punishment to first-order punishment), 1ONLY (first-order punishment only), and 2ONLY (second-order punishment only). We find that the 2To1 and 2ONLY systems can receive more support than the 1To2 and 1ONLY systems and only the 2To1 system can achieve high cooperation. However, the effect of priority of second-order punishment is observed only when the punishment ratio (PR) is low (Experiment 1), not high (Experiment 2), in which the punishment resource is relatively abundant.
Bjornsdottir et al. (2017)
Bjornsdottir, R. T., Tskhay, K. O., Ishii, K. (石井敬子), & Rule, N. O. (2017).
Cultural differences in perceiving and processing emotions: A holistic approach to person perception.
感情の理解と処理における文化差：対人知覚の包括的なアプローチ
Culture and Brain, 5, 105–124.
doi: 10.1007/s40167-017-0053-z
East Asians tend towards holistic styles of thinking whereas Westerners generally think more analytically. Recent work has shown that Western participants perceive emotional expressions in a somewhat holistic manner, however. Specifically, Westerners interpret emotional facial expressions differently when presented with a body displaying a congruent versus incongruent emotional expression. Here, we examined how processing these face-body combinations varies according to cultural differences in thinking style. Consistent with their proclivity towards contextual focus, Japanese perceivers focused more on the body when judging the emotions of face-body composites. Moreover, in line with their greater tendency towards holistic perceptual processing, we found that pairing facial expressions of emotion with emotionally congruent bodies facilitated Japanese participants’ recognition of faces’ emotions to a greater degree than it did for Canadians. Similarly, incongruent face-body combinations impaired facial emotion recognition more for Japanese than Canadian participants. These findings extend work on cultural differences in emotion recognition from interpersonal to intrapersonal contexts with implications for intercultural understanding.
Anderson et al.(2017)
Anderson, C. A., Suzuki, K.(鈴木佳苗), Swing, E. L., Groves, C. L., Gentile, D. A., Prot, S., Lam, C. P., Sakamoto, A.(坂元 章), Horiuchi, Y.(堀内由樹子), Krahé, B., Jelic, M., Liuqing, W., Toma, R., Warburton, W. A., Zhang, X., Tajima, S.(田島 祥), Qing, F., & Petrescu, P. (2017). Media violence and other aggression risk factors in seven nations. 7か国におけるメディア暴力と他の攻撃リスク要因 Personality and Social Psychology Bulletin, 43(7), 986-998. doi:10.1177/0146167217703064Cultural generality versus specificity of media violence effects on aggression was examined in seven countries (Australia, China, Croatia, Germany, Japan, Romania, the United States). Participants reported aggressive behaviors, media use habits, and several other known risk and protective factors for aggression. Across nations, exposure to violent screen media was positively associated with aggression. This effect was partially mediated by aggressive cognitions and empathy. The media violence effect on aggression remained significant even after statistically controlling a number of relevant risk and protective factors (e.g., abusive parenting, peer delinquency), and was similar in magnitude to effects of other risk factors. In support of the cumulative risk model, joint effects of different risk factors on aggressive behavior in each culture were larger than effects of any individual risk factor.
Komoto et al. (2017)
Komoto, Y., Shoun, A.(祥雲暁代), Akiyama, K., Sakamoto, A.(坂元章) et al. (2017). Development and validation of the Pachinko/Pachi-Slot Playing Ambivalence Scale. パチンコ・パチスロ遊技両価性尺度の開発と妥当化 Asian Journal of Gambling Issues and Public Health, 7(3) . DOI: 10.1186/s40405-017-0023-6Background A scale aimed at measuring ambivalence among people with pachinko/pachi-slot playing disorder, the Pachinko/Pachi-Slot Playing Ambivalence Scale (PPAS), was developed and its reliability and validity ascertained. Methods A total of 522 participants (average year: 48.0) who were residing in Tokyo Metropolitan Area, and had played pachinko within the previous year completed questions relating to demographics, four gambling-related scales (including South Oaks Gambling Screen) and two general ambivalence scales (including Ambivalence over Emotional Expressiveness Questionnaire). Results Internal consistency (α = 0.87) and test–retest reliability (r = 0.66) were confirmed. The PPAS’s score was associated with each related scale’s score (r = 0.37–0.62). Conclusions The PPAS was shown to be consistent with previous scales and useful in clinical settings
Kawamura & Kusumi(2018)
Kawamura, Y. (河村悠太), & Kusumi, T. (楠見孝) (2018).
Relationships between two types of reputational concern and altruistic behavior in daily life.
2種類の評判への関心と日常の利他行動の関連.
Personality and Individual Differences, 121, 19-24.
doi: 10.1016/j.paid.2017.09.003
Although many studies have shown that reputational cues promote altruism, few studies have focused on individual differences. The present study provides novel evidence indicating that the relationship between reputational concern and altruistic behavior differs according to the type of reputational concern involved and the recipients of altruism. Specifically, the relationships between individual differences of two reputational concerns (i.e., praise seeking and rejection avoidance) and the frequency with which participants exhibited altruistic behavior toward various individuals (i.e., family members, friends/acquaintances, and strangers) were examined. As predicted, neither type of reputational concern was significantly associated with altruistic behavior toward family members. This is understandable, as altruistic behavior toward familiar people is unlikely to lead to a good reputation. Conversely, praise seeking predicted altruistic behavior toward friends/acquaintances and strangers, whereas rejection avoidance did not. These findings are consistent with recent literature suggesting the effectiveness of positive reputation systems to promote generosity, relative to negative reputation systems. Furthermore, rejection avoidance was negatively associated with altruistic behavior toward strangers; we discussed the possibility that this was because such behavior was not very normative. Our findings provide useful insight for future studies examining the relationship between reputation and altruistic behavior.
Kawamura & Kusumi (2017)
Kawamura, Y. (河村悠太), & Kusumi, T. (楠見孝) (2017).
The norm-dependent effect of watching eyes on donation.
"見つめる目"の規範依存的効果の検討.
Evolution and Human Behavior, 38(5), 659-666.
doi: 10.1016/j.evolhumbehav.2017.05.003
Although many previous studies have shown that eye-like images promote generosity, the mechanism of this “watching eyes effect” remains unclear. One possible cause is the concern for a good reputation as a generous person, while the other is the concerns for a bad reputation as a norm violator. To elucidate which of these two concerns is the main influencer, the present study conducted a laboratory experiment that investigated whether the watching eyes effect changed depending on social norms. If the concern for a good reputation leads to the effect, prosocial behavior would be more likely in the presence of watching eyes, regardless of the social norms involved. However, if the concern for avoiding a bad reputation as a norm violator leads to the effect, watching eyes promote prosocial behavior only in the existence of prosocial norms. In the original study, participants were asked to make a charitable donation under conditions in which eye-like images either were or were not present. In addition to the eye-like images, we manipulated prosocial norms by informing each participant of either high or low mean donation amounts given by previous participants. We found that watching eyes promoted donations only when a prosocial norm existed. This supports the idea that the watching eyes effect is caused by a concern for avoiding a bad reputation from violating norms. However, in a replication study, we were unable to replicate the original results; watching eyes did not promote generosity regardless of the norm. Taken together, we discussed the moderation effect of norms and the possibility of other moderators.
Kawamoto & Furutani (2018)
Kawamoto, T. (川本大史) & Furutani, K. (古谷嘉一郎) (2018).
The mediating role of intolerance of uncertainty on the relationships between perfectionism dimensions and psychological adjustment/maladjustment among mothers
母親の完全主義次元と心理適応・不適応との関連に対する不確実さ不耐性の媒介効果
Personality and Individual Differences, 122, 62-67.
doi: 10.1016/j.paid.2017.10.008
The present study investigated a possible mediating effect of intolerance of uncertainty (IU) on the relationship between perfectionism and psychological adjustment/maladjustment as well as the unique and common effects of perfectionism dimensions—personal standards (PS) and concern over mistakes (CM)—on these constructs. Five hundred mothers participated an online survey, completing measures of perfectionism (PS and CM), IU, and psychological adjustment/maladjustment (life satisfaction, depression, and rearing stress). We found that both PS and CM were positively correlated with IU. Mediation analyses indicated that IU mediated the relationship between CM and psychological adjustment/maladjustment regardless of whether PS were partialled out. In contrast, IU had a suppression effect on the relationship between PS and psychological adjustment/maladjustment, but only when CM was not partialled out. Commonality regression analysis revealed that the unique effect of PS on IU (< 0.1%) was much smaller than the common effects of PS and CM on IU (12.3%). In addition, CM had stronger unique effects on all variables than did PS. These findings highlight the importance of investigating both the unique and common effects of perfectionism dimensions on outcome variables. Our findings further our understanding of the mechanisms underlying the relationships between perfectionism dimensions and psycho- logical adjustment/maladjustment.
(2017年12月2日まで無料でダウンロード可能なリンク)
https://authors.elsevier.com/a/1VtoRheKdYmRQ