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，535件です．
Saito et al. (2019)
Saito, Y. (齋藤美松), Ueshima, A. (上島淳史), Tanida, S. (谷田林士), & Kameda, T. (亀田達也) (2019). How does social information affect charitable giving?: Empathic concern promotes support for underdog recipient 社会情報は寄付行動にどのような影響を与えるか: 共感的配慮が判官びいきを促進する Social Neuroscience, 14, 751-764. doi: 10.1080/17470919.2019.1599421Charitable giving represents a unique cooperative characteristic of humans. In today’s environment with social media, our charitable decisions seem to be influenced by social information such as a project’s popularity. Here we report three experiments that examined people’s reactions to social information about a charitable endeavor and their psychophysiological underpinnings. Participants were first solicited to make donations to either the Africa or Syria project of UNICEF. Then participants were provided an opportunity to learn social information (i.e., how much each project had raised from previous participants) and change their decision if desired. Contrary to expectation, participants who learned that their initial preferences were consistent with the majority of previous participants’ choices exhibited a sizable tendency to switch to the less popular project in their final choices. This anti-conformity pattern was robust across the three experiments. Eye-tracking data (gaze bias and pupil dilation) indicated that these “Changers” were more physiologically aroused and formed more differential valuations between the two charity projects, compared to “Keepers” who retained their initial preferences after viewing the social information. These results suggest that social information about relative popularity may evoke empathic concern for the worse-off target, in line with the human tendency to avoid unequal distributions.
Hiraoka & Nomura(2019).
Hiraoka, D.（平岡大樹）, & Nomura, M. (野村理朗) （2019）. Maternal Childhood Adversity, OXTR Genotype and Cognitive Load Impact on Perceptual and Behavioral Responses to Infant Crying 乳児泣き声への反応に母親の被養育経験・オキシトシン受容体遺伝子多型・認知的負荷が影響を与える Psychoneuroendocrinology, 104, 195-202. doi: 10.1016/j.psyneuen.2019.03.005The crying of infants elicits aversive feelings and poses. Maternal childhood maltreatment can have negative parenting ability consequences and interact with the oxytocin receptor (OXTR) single nucleotide polymorphism (rs53576) to predict maternal response to infant distress stimuli. Recent studies have highlighted the importance of individual vulnerability differences to situational cognitive load in parenting situations. The current study, in which 124 mothers participated in a standardized infant vocalization paradigm, examined three-way interaction on subjective empathy, behavior intention, and handgrip force response to a crying infant. Participants were asked to squeeze a handgrip dynamometer at maximal and half strength while memorizing a meaningless alphabet syllable as the cognitive load manipulation. Significant interactions were also observed between OXTR rs53576, childhood adversity, and cognitive load when predicting excessive force and harsh response intention on hearing a crying infant. These findings suggested that, as the G allele carriers of OXTR rs53576 appear to be susceptible to the effects of severe childhood adversity, inter- and intra-individual approaches are needed when assessing maternal responses to infant stimuli.
Omi(2019).
Omi, Y. （尾見康博）(2019). Corporal punishment in extracurricular sports activities (bukatsu) represents an aspect of Japanese culture. 部活における体罰は日本文化の一側面を表している In L.Tateo (ed.) Educational dilemmas: A cultural psychological perspective. NY: Routledge Pp.139-145.
Furukawa, Nakashima, Tsukawaki, & Morinaga(2019).
Yoshiya Furukawa (古川善也), Ken'ichiro Nakashima (中島健一郎), Tsukawaki, R. (塚脇涼太)& Yasuko Morinaga (森永康子) (2019). Guilt as a signal informing us of a threat to our morality. 道徳性への脅威を知らせるシグナルとしての罪悪感 Current Psychology doi: 10.1007/s12144-019-0144-4Some studies have shown the possibility that people feel guilt not only due to interpersonal problems but also when experiencing threats to their own internal morality (e.g. Eskine et al. Journal of Experimental Social Psychology, 49(5), 947-950, 2013), whereas other studies have shown that guilt-induced behaviours can restore individuals’ sense of moral person (e.g. Gneezy et al. Management Science, 58(1), 179–187, 2012; Zhong et al. Journal of Experimental Social Psychology, 46(5), 859–862, 2010). These findings suggest that guilt can strongly reflect how much individuals deviate from what they perceive to be adequate moral person. Therefore, we proposed that guilt works as an alert system that signals people about threats to their morality. We used the Implicit Association Test (Greenwald et al. Journal of Personality and Social Psychology, 74(6), 1464-1480, 1998) to investigate if an individual’s moral self decreased in the situation where that individual felt guilt. Results showed that implicit moral self in the guilt condition was lower than that in the control condition when controlling for individual variation in moral self. Our findings provide a new perspective on the function of guilt and generate new hypotheses about the relationship between guilt and behaviours.
Furukawa, Nakashima, & Morinaga(2019).
Furukawa, Y. (古川善也), Nakashima, K. (中島健一郎), & Morinaga, Y. (森永康子) (2019). Guilt Signals a Crisis of Rejection: Two Types of Individual Differences Related to Social Rejection Have Dissimilar Effects on Guilt and Compensatory Behavior. 罪悪感は排斥の脅威をシグナルする：2つのタイプの社会的排斥に関する個人差が罪悪感と補償行動に異なる効果を持つ。 Japanese Psychological Research, 61(1), 1-11. doi: 10.1111/jpr.12199We investigated whether feelings of guilt, which signal crises in interpersonal relationships (Baumeister, Stillwell, & Heatherton, 1994), are differently evoked by two types of individual differences in social rejection: rejection detection capability (Kawamoto, Nittono, & Ura, 2015) and rejection sensitivity (Downey & Feldman, 1996). Using the hypothetical scenario method, we found that in situations with a potential risk of being rejected as a consequence of causing another person harm (i.e., harm‐present condition), participants with higher rejection detection capability felt more guilt and engaged in more compensatory behavior towards the victims. In addition, guilt mediated the relationship between rejection detection capability and compensatory behavior. Conversely, in situations with no potential risk of being rejected (i.e., harm‐absent condition), participants with higher rejection sensitivity felt more guilt but did not engage in much compensatory behavior. These results suggest that individual differences in social rejection foster different responses to specific threats.
Toyokawa, Whalen & Laland(2019).
Toyokawa, W. (豊川 航), Whalen, A. & Laland, NK. (2019). Social learning strategies regulate the wisdom and madness of interactive crowds. 社会的学習戦略が群知能と集合愚とを制御する Nature Human Behaviour, doi: 10.1038/s41562-018-0518-xWhy groups of individuals sometimes exhibit collective ‘wisdom’ and other times maladaptive ‘herding’ is an enduring conundrum. Here we show that this apparent conflict is regulated by the social learning strategies deployed. We examined the patterns of human social learning through an interactive online experiment with 699 participants, varying both task uncertainty and group size, then used hierarchical Bayesian model fitting to identify the individual learning strategies exhibited by participants. Challenging tasks elicit greater conformity among individuals, with rates of copying increasing with group size, leading to high probabilities of herding among large groups confronted with uncertainty. Conversely, the reduced social learning of small groups, and the greater probability that social information would be accurate for less-challenging tasks, generated ‘wisdom of the crowd’ effects in other circumstances. Our model-based approach provides evidence that the likelihood of collective intelligence versus herding can be predicted, resolving a long-standing puzzle in the literature.
Hashimoto, & Karasawa(2018)
Hashimoto, T. (橋本剛明), & Karasawa, K. (唐沢かおり) (2018). Impact of consumer power on consumers' reactions to corporate transgression. 企業不祥事への消費者の反応に勢力が与える影響 PLoS ONE, 13(5), e0196819. doi: 10.1371/journal.pone.0196819We addressed how individuals’ power influences their judgments regarding corporate transgressions. Based on the Situated Focus Theory of Power, which theorizes that powerful people respond more in accordance to circumstantial factors, we tested the interaction of power and the type of corporate discourse offered by the accused company. Across two studies (overall N = 216), we experimentally primed power (Study 1) and manipulated participants’ sense of direct control over the company (Study 2). We consistently found an interaction effect of power and corporate discourse on people’s negative attitudes toward the company—particularly on the unwillingness to use the company’s products. Particularly, high-power individuals were prone to strongly vary their attitudes based on the mitigative/non-mitigative nature of the discourse, while those low in power were unsusceptible to the type of discourse. The results suggest how the potential rise of consumer power in society may critically influence the consumer-corporate relationships following corporate transgressions.
Kase, Ueno, Shimamoto, & Oishi(2019).
Kase, T. (嘉瀬貴祥), Ueno, Y., Shimamoto, K., & Oishi, K. (2019). Causal relationships between sense of coherence and life skills: Examining the short-term longitudinal data of Japanese youths. Sense of coherenceとライフスキルの因果関係―日本人青年の短期縦断的データを用いた検討― Mental Health & Prevention, 13(1), 14-20. doi: 10.1016/j.mhp.2018.11.005This study investigated the causal relationships between sense of coherence (SOC) and life skills. Participants (248 university students; 147 men, 101 women; mean age = 20.4 years, SD = 0.9 years) completed the Japanese version of the SOC-29 scale and the Life Skills Scale for Adolescents and Adults. Structural equation modeling (a synchronous effects model and a cross-lagged effects model) indicated that life skills had a certain effect (β = .55 to .75, p < .01) on SOC. This result suggests that improving life skills was effective in strengthening SOC. The findings of this study provide key information concerning the dimensions and stages of SOC and life skills. This can be used to construct a theoretical model and framework for future practical studies on strengthening SOC and conducting life skills training.
Kase, Ueno, & Oishi(2018).
Kase, T. (嘉瀬貴祥), Ueno, Y., & Oishi, K. (2018). The overlap of sense of coherence and the Big Five personality traits: A confirmatory study. Sense of coherenceとBig Five性格特性との関係についての検証的研究 Health Psychology Open, 5(2), 1-4. doi: 10.1177/2055102918810654Sense of coherence is the perception of the world as coherent. Its conceptual similarities to the Big Five personality traits have been demonstrated. We therefore investigated the relationship between sense of coherence and the Big Five. In total, 1088 Japanese youths completed the 29-item Sense of Coherence Scale and the Ten-Item Personality Inventory. Neuroticism was negatively correlated and extraversion was positively correlated with comprehensibility (r = −.47, .35), manageability (r = −.44, .26), and meaningfulness (r = −.28, .30). These correlations were strong, and the overlap between the two scales was about 36 percent. While the Big Five are related to sense of coherence, their differences cannot be ignored.
Matsunaga, Masuda, Ishii, Ohtsubo, Noguchi, Ochi, & Yamasue.(2018).
Matsunaga, M., Masuda, T. (増田貴彦), Ishii, K. (石井敬子), Ohtsubo, Y. (大坪庸介), Noguchi, Y., Ochi, M. (越智美早), & Yamasue, H. (2018). Culture and cannabinoid receptor gene polymorphism interact to influence the perception of happiness. 文化とカンナビノイド受容体遺伝子多型が相互作用し幸せの知覚に影響する PLoS ONE, 13, e0209552. doi: 10.1371/journal.pone.0209552Previous studies have shown that a cytosine (C) to thymine (T) single nucleotide polymorphism (SNP) of the human cannabinoid receptor 1 (CNR1) gene is associated with positive emotional processing. C allele carriers are more sensitive to positive emotional stimuli including happiness. The effects of several gene polymorphisms related to sensitivity to emotional stimuli, such as that in the serotonin transporter gene-linked polymorphic region (5HTTLPR), on emotional processing have been reported to differ among cultures–e.g., between those that are independent and interdependent. Thus, we postulated that the effects of the CNR1 genotype on happiness might differ among different cultures because the concept of happiness varies by culture. We recruited healthy male and female young adults in Japan, where favorable external circumstances determine the concept of happiness, and Canada, where the concept of happiness centers on positive inner feelings, and compared the effects of the CNR1 genotype on both subjective happiness levels (self-evaluation as being a happy person) and situation-specific happiness (happy feelings accompanying various positive events) by using a questionnaire. We found that the effect of CNR1 on subjective happiness was different between the Japanese and Canadian groups. The subjective happiness level was the highest in Japanese individuals with the CC genotype, whereas in Canadian participants, it was the highest in individuals with the TT genotype. Furthermore, the effects of CNR1 genotype on situation-specific happiness were also different between the groups. Happiness accompanied with being surrounded by happy people was the highest among Japanese individuals with the CC genotype, whereas among Canadian individuals, it was the highest in TT genotype carriers. These findings suggest that culture and CNR1 polymorphism interact to influence the perception of happiness.