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Dive into the research topics where Kosuke Takemura is active.

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Featured researches published by Kosuke Takemura.


Personality and Social Psychology Bulletin | 2005

Cross-Cultural Differences in Relationship- and Group-Based Trust

Masaki Yuki; William W. Maddux; Marilynn B. Brewer; Kosuke Takemura

Two experiments explored differences in depersonalized trust (trust toward a relatively unknown target person) across cultures. Based on a recent theoretical framework that postulates predominantly different bases for group behaviors in Western cultures versus Eastern cultures, it was predicted that Americans would tend to trust people primarily based on whether they shared category memberships; however, trust for Japanese was expected to be based on the likelihood of sharing direct or indirect interpersonal links. Results supported these predictions. In both Study 1 (questionnaire study) and Study 2 (online money allocation game), Americans trusted ingroup members more than outgroup members; however, the existence of a potential indirect relationship link increased trust for outgroup members more for Japanese than for Americans. Implications for understanding group processes across cultures are discussed.


Evolutionary Psychology | 2012

Cross-cultural differences and similarities in proneness to shame: an adaptationist and ecological approach.

Daniel Sznycer; Kosuke Takemura; Andrew W. Delton; Kosuke Sato; Theresa E. Robertson; Leda Cosmides; John Tooby

People vary in how easily they feel ashamed, that is, in their shame proneness. According to the information threat theory of shame, variation in shame proneness should, in part, be regulated by features of a persons social ecology. On this view, shame is an emotion program that evolved to mitigate the likelihood or costs of reputation-damaging information spreading to others. In social environments where there are fewer possibilities to form new relationships (i.e., low relational mobility), there are higher costs to damaging or losing existing ones. Therefore, shame proneness toward current relationship partners should increase as perceived relational mobility decreases. In contrast, individuals with whom one has little or no relationship history are easy to replace, and so shame-proneness towards them should not be modulated by relational mobility. We tested these predictions cross-culturally by measuring relational mobility and shame proneness towards friends and strangers in Japan, the United States, and the United Kingdom. Japanese subjects were more shame-prone than their British and American counterparts. Critically, lower relational mobility was associated with greater shame proneness towards friends (but not strangers), and this relationship partially mediated the cultural differences in shame proneness. Shame proneness appears tailored to respond to relevant features of ones social ecology.


Journal of Personality | 2015

Are Implicit Self‐Esteem Measures Valid for Assessing Individual and Cultural Differences?

Carl F. Falk; Steven J. Heine; Kosuke Takemura; Cathy X J Zhang; Chih Wei Hsu

OBJECTIVE Our research utilized two popular theoretical conceptualizations of implicit self-esteem: 1) implicit self-esteem as a global automatic reaction to the self; and 2) implicit self-esteem as a context/domain specific construct. Under this framework, we present an extensive search for implicit self-esteem measure validity among different cultural groups (Study 1) and under several experimental manipulations (Study 2). METHOD In Study 1, Euro-Canadians (N = 107), Asian-Canadians (N = 187), and Japanese (N = 112) completed a battery of implicit self-esteem, explicit self-esteem, and criterion measures. Included implicit self-esteem measures were either popular or provided methodological improvements upon older methods. Criterion measures were sampled from previous research on implicit self-esteem and included self-report and independent ratings. In Study 2, Americans (N = 582) completed a shorter battery of these same types of measures under either a control condition, an explicit prime meant to activate the self-concept in a particular context, or prime meant to activate self-competence related implicit attitudes. RESULTS Across both studies, explicit self-esteem measures far outperformed implicit self-esteem measures in all cultural groups and under all experimental manipulations. CONCLUSION Implicit self-esteem measures are not valid for individual or cross-cultural comparisons. We speculate that individuals may not form implicit associations with the self as an attitudinal object.


Journal of Cross-Cultural Psychology | 2014

Cultural Variation in the Minimal Group Effect

Carl F. Falk; Steven J. Heine; Kosuke Takemura

The minimal group effect (MGE) is one of the most robust psychological findings in studies of intergroup conflict, yet there is little evidence comparing its magnitude across cultures. Recent evidence suggests that the MGE is due in part to a projection of one’s own perceived characteristics onto the novel in-group. Because of cultural variability in self-enhancement motivations, we thus expected that those from East Asian cultures would exhibit a diminished MGE relative to Westerners. A large and diverse sample of Japanese and American participants completed a traditional minimal group study. American participants were more likely to show an in-group bias in group identification, perceived group intelligence, perceived group personality traits, and resource allocation. Furthermore, these cultural differences were partially mediated by self-esteem. We discuss the implication of these findings for theories of intergroup conflict and suggest multiple directions for future cross-cultural research on the MGE.


Journal of Cross-Cultural Psychology | 2014

Being Different Leads to Being Connected On the Adaptive Function of Uniqueness in “Open” Societies

Kosuke Takemura

The current research proposes that high need for uniqueness (NFU) brings individuals positive life outcomes by helping them be connected with, rather than isolated from, others in societies where social relationships are mobile and generally open to outsiders. In societies characterized by a high mobility of relationships (relational mobility) that may result in market-like competitive circumstances (e.g., America), NFU may increase chances of social success by leading individuals to develop their unique “selling points.” In contrast, high NFU may bring worse results in closed societies (e.g., Japan) because of the associated risk of being ostracized. This hypothesis was examined and confirmed by three studies that employed cross-national as well as cross-regional comparisons within a single nation. A pilot study first confirmed that for societies higher in relational mobility, a high NFU person was viewed more favorably as a friend. Studies 1 and 2 found that NFU was more positively associated with life satisfaction, relationship satisfaction (Study 2), as well as income (Study 2) in societies higher in relational mobility.


Frontiers in Psychology | 2016

Contextual Effect of Wealth on Independence: An Examination through Regional Differences in China

Kosuke Takemura; Takeshi Hamamura; Yanjun Guan; Satoko Suzuki

The current study disentangled two different effects of wealth on psychological tendency toward independence: one is an effect exerted at the individual level (i.e., being rich) and the other one is a contextual effect (i.e., being surrounded by rich individuals). Past research has found a stronger tendency toward independence among people in economically developed societies. This association has often been explained as a result of a greater amount of choices, and thus more opportunities to express individuality that wealth affords individuals. In addition to this individual-level process, theories in cultural psychology imply that the wealth-independence link also reflects social processes—living in a rich society, regardless of one’s own wealth, promotes independence (contextual effect of wealth on independence). Through a large-scale survey in China, using multilevel analyses, we found that wealth had both the individual-level effect and contextual effect on independence as well as related psychological tendencies (influence orientation and generalized trust), suggesting that individuals are more likely to be independent with greater personal wealth and when surrounded by wealthy others. Possible processes through which independence is promoted by liing in a wealthy area are discussed.


Cognition & Emotion | 2017

Culture and group-based emotions: could group-based emotions be dialectical?

Minjie Lu; Takeshi Hamamura; Bertjan Doosje; Satoko Suzuki; Kosuke Takemura

ABSTRACT Group-based emotions are experienced when individuals are engaged in emotion-provoking events that implicate the in-group. This research examines the complexity of group-based emotions, specifically a concurrence of positive and negative emotions, focusing on the role of dialecticism, or a set of folk beliefs prevalent in Asian cultures that views nature and objects as constantly changing, inherently contradictory, and fundamentally interconnected. Study 1 found that dialecticism is positively associated with the complexity of Chinese participants’ group-based emotions after reading a scenario depicting a positive intergroup experience. Study 2 found that Chinese participants experienced more complex group-based emotions compared with Dutch participants in an intergroup situation and that this cultural difference was mediated by dialecticism. Study 3 manipulated dialecticism and confirmed its causal effect on complex group-based emotions. These studies also suggested the role of a balanced appraisal of an intergroup situation as a mediating factor.


Proceedings of the National Academy of Sciences of the United States of America | 2018

Invariances in the architecture of pride across small-scale societies

Daniel Sznycer; Dimitris Xygalatas; Sarah Alami; Xiao-Fen An; Kristina I. Ananyeva; Shintaro Fukushima; Hidefumi Hitokoto; Alexander N. Kharitonov; Jeremy Koster; Charity N. Onyishi; Ike E. Onyishi; Pedro Romero; Kosuke Takemura; Jin-Ying Zhuang; Leda Cosmides; John Tooby

Significance It has been proposed that one key function of pride is to guide behavior in ways that would increase others’ valuation of the individual. To incline choice, the pride system must compute for a potential action an anticipated pride intensity that tracks the magnitude of the approval or deference that the action would generate among local audiences. Data from industrial mass societies support this expectation. However, it is presently not known whether those data reflect cultural evolutionary processes or a panhuman adaptation. Experiments conducted in 10 traditional small-scale societies with widely varying cultures and subsistence modes replicate the pattern observed in mass societies. This suggests that pride is a universal system that is part of our species’ cooperative biology. Becoming valuable to fellow group members so that one would attract assistance in times of need is a major adaptive problem. To solve it, the individual needs a predictive map of the degree to which others value different acts so that, in choosing how to act, the payoff arising from others’ valuation of a potential action (e.g., showing bandmates that one is a skilled forager by pursuing a hard-to-acquire prey item) can be added to the direct payoff of the action (e.g., gaining the nutrients of the prey captured). The pride system seems to incorporate all of the elements necessary to solve this adaptive problem. Importantly, data from western(-ized), educated, industrialized, rich, and democratic (WEIRD) societies indicate close quantitative correspondences between pride and the valuations of audiences. Do those results generalize beyond industrial mass societies? To find out, we conducted an experiment among 567 participants in 10 small-scale societies scattered across Central and South America, Africa, and Asia: (i) Bosawás Reserve, Nicaragua; (ii) Cotopaxi, Ecuador; (iii) Drâa-Tafilalet, Morocco; (iv) Enugu, Nigeria; (v) Le Morne, Mauritius; (vi) La Gaulette, Mauritius; (vii) Tuva, Russia; (viii) Shaanxi and Henan, China; (ix) farming communities in Japan; and (x) fishing communities in Japan. Despite widely varying languages, cultures, and subsistence modes, pride in each community closely tracked the valuation of audiences locally (mean r = +0.66) and even across communities (mean r = +0.29). This suggests that the pride system not only develops the same functional architecture everywhere but also operates with a substantial degree of universality in its content.


Archive | 2013

Culture and Social Media: Exploration of Differences Between the United States and Japan

Satoko Suzuki; Kosuke Takemura

Abstract Purpose To explore and examine cultural differences in the consumer attitudes toward social media. Methodology/approach Internet survey. Findings The influence of culture toward the consumer attitudes in social media may be less salient compared with other consumer behaviors. Research limitations/implications This study is exploratory in nature. Practical implications To encourage managers to revisit the issue of globalization versus localization, particularly in the domain of social media. Originality/value of paper This study is one of the first attempts in exploring cultural differences in the consumer behavior of social media.


Proceedings of the National Academy of Sciences of the United States of America | 2018

Cross-cultural invariances in the architecture of shame

Daniel Sznycer; Dimitris Xygalatas; Elizabeth Agey; Sarah Alami; Xiao-Fen An; Kristina I. Ananyeva; Quentin D. Atkinson; Bernardo R. Broitman; Thomas J. Conte; Carola Flores; Shintaro Fukushima; Hidefumi Hitokoto; Alexander N. Kharitonov; Charity N. Onyishi; Ike E. Onyishi; Pedro Romero; Joshua M. Schrock; J. Josh Snodgrass; Lawrence S. Sugiyama; Kosuke Takemura; Cathryn Townsend; Jin-Ying Zhuang; C. Athena Aktipis; Lee Cronk; Leda Cosmides; John Tooby

Significance This set of experiments shows that in 15 traditional small-scale societies there is an extraordinarily close correspondence between (i) the intensity of shame felt if one exhibited specific acts or traits and (ii) the magnitude of devaluation expressed in response to those acts or traits by local audiences, and even foreign audiences. Three important and widely acknowledged sources of cultural variation between communities—geographic proximity, linguistic similarity, and religious similarity—all failed to account for the strength of between-community correlations in the shame–devaluation link. This supplies a parallel line of evidence that shame is a universal system, part of our species’ cooperative biology, rather than a product of cultural evolution. Human foragers are obligately group-living, and their high dependence on mutual aid is believed to have characterized our species’ social evolution. It was therefore a central adaptive problem for our ancestors to avoid damaging the willingness of other group members to render them assistance. Cognitively, this requires a predictive map of the degree to which others would devalue the individual based on each of various possible acts. With such a map, an individual can avoid socially costly behaviors by anticipating how much audience devaluation a potential action (e.g., stealing) would cause and weigh this against the action’s direct payoff (e.g., acquiring). The shame system manifests all of the functional properties required to solve this adaptive problem, with the aversive intensity of shame encoding the social cost. Previous data from three Western(ized) societies indicated that the shame evoked when the individual anticipates committing various acts closely tracks the magnitude of devaluation expressed by audiences in response to those acts. Here we report data supporting the broader claim that shame is a basic part of human biology. We conducted an experiment among 899 participants in 15 small-scale communities scattered around the world. Despite widely varying languages, cultures, and subsistence modes, shame in each community closely tracked the devaluation of local audiences (mean r = +0.84). The fact that the same pattern is encountered in such mutually remote communities suggests that shame’s match to audience devaluation is a design feature crafted by selection and not a product of cultural contact or convergent cultural evolution.

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Satoko Suzuki

Saint Petersburg State University

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Daniel Sznycer

University of California

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John Tooby

University of California

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Leda Cosmides

University of California

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Sarah Alami

University of California

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Jin-Ying Zhuang

East China Normal University

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