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241.
The combined influence on ingroup bias of threat to group distinctiveness and prototypicality as a group member was examined in two studies. It was predicted, in line with social identity theory, that threat to group distinctiveness would lead to more ingroup bias. In addition, on the basis of self-categorization theory it was predicted that protypical and peripheral group members would react differently to a threat to their group distinctiveness. Only group members who define themselves as prototypical group members should be motivated to defend their threatened distinctiveness by engaging in increased ingroup bias. This hypothesis was first supported in a modified minimal group setting in which threat was operationalized as overlapping group boundaries. These results were then replicated in a second study, using better-established groups, for whom distinctiveness threat was manipulated in terms of intergroup similarity. Moreover, some support was found in Study 2 for the prediction that the opportunity to engage in intergroup differentiation can, under restricted conditions, enhance group-related self-esteem. © 1997 John Wiley & Sons, Ltd  相似文献   
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Makeup accentuates three youth‐related visual features – skin homogeneity, facial contrast, and facial feature size. By manipulating these visual features, makeup should make faces appear younger. We tested this hypothesis in an experiment in which participants estimated the age of carefully controlled photographs of faces with and without makeup. We found that 40‐ and especially 50‐year‐old women did appear significantly younger when wearing makeup. Contrary to our hypothesis, 30‐year‐old women looked no different in age with or without makeup, while 20‐year‐old women looked older with makeup. Two further studies replicated these results, finding that makeup made middle‐aged women look younger, but made young women look older. Seeking to better understand why makeup makes young women look older, we ran a final study and found evidence that people associate makeup use with adulthood. By activating associations with adulthood, makeup may provide an upward bias on age estimations of women who are not clearly adult. We propose that makeup affects social perceptions through bottom‐up routes, by modifying visual cues such as facial contrast, facial feature size, and skin homogeneity, and also through top‐down routes, by activating social representations and norms associated with makeup use.  相似文献   
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Attachment theory assumes that trust in caregivers’ support and exploration are closely related. Little research tried to investigate this link, nor focuses on mechanisms that might explain this association. The present studies examined whether trust is related to exploration through a serial indirect effect of openness to negative affect and self‐regulation. In Study 1, 212 children, aged 8–13, completed questionnaires assessing trust, openness to negative affect, self‐regulation and exploration. The results showed that trust predicted exploration, but only to the extent to which openness to negative affect and self‐regulation were involved too. Study 2 refined these findings (= 59, aged 9–12) using a behavioral measure of openness to negative affect and exploration, and with mother‐reported self‐regulation. Replicating this serial indirect effect of openness to negative affect and self‐regulation with multiple informants and methods, the present studies advance our understanding of how trust might foster exploration in preadolescence.  相似文献   
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Southgate offers a remarkable evolutionary theodicy that includes six affirmations and arguments; together they form a unique and very persuasive proposal which he terms a “compound only-way evolutionary theodicy.” Here I summarize the arguments and offer critical reflections on them for further development, with an emphasis on the ambiguity in the goodness of creation; the role of thermodynamics in evolutionary biology; the challenge of horrendous evil in nature; and the theological response to theodicy in terms of eschatology, with its own severe challenge from cosmology. Using a text box, I suggest how the 6 arguments create a unique synthetic whole, and how the removal of any one of them would diminish the argument as a whole. I then suggest how Southgate’s treatment of the key question, “Why not just heaven?” adds a crucial seventh argument to produce an even more splendid and promising whole.  相似文献   
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Faces are adaptively coded relative to visual norms that are updated by experience, and this adaptive coding is linked to face recognition ability. Here we investigated whether adaptive coding of faces is disrupted in individuals (adolescents and adults) who experience face recognition difficulties following visual deprivation from congenital cataracts in infancy. We measured adaptive coding using face identity aftereffects, where smaller aftereffects indicate less adaptive updating of face‐coding mechanisms by experience. We also examined whether the aftereffects increase with adaptor identity strength, consistent with norm‐based coding of identity, as in typical populations, or whether they show a different pattern indicating some more fundamental disruption of face‐coding mechanisms. Cataract‐reversal patients showed significantly smaller face identity aftereffects than did controls (Experiments 1 and 2). However, their aftereffects increased significantly with adaptor strength, consistent with norm‐based coding (Experiment 2). Thus we found reduced adaptability but no fundamental disruption of norm‐based face‐coding mechanisms in cataract‐reversal patients. Our results suggest that early visual experience is important for the normal development of adaptive face‐coding mechanisms.  相似文献   
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There is increasing interest, both internationally and in South Africa, in strengthening the relationship between psychoanalytic practice and research. This paper reports on a psychoanalytically oriented doctoral programme offered at the University of the Witwatersrand in South Africa. The programme is described in relation to the broader context of the historical relationship of psychoanalysis to the university as well as to the specific context of the history of psychoanalysis in South Africa. Key challenges of the programme, specifically concerning research tensions and methodological and theoretical tolerance, are subsequently explored. The way in which these challenges manifested within a group context illustrates their potential for conflict as well as productive debate. The paper reflects on how this specific programme illuminates and extends some of the broader debates in the field of psychoanalysis.  相似文献   
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This paper is an account of a piece of research which involved interviewing six foster carers who had ended a placement with a child under the age of five with an early experience of abuse and neglect. The paper describes one of the themes that emerged from the data analysis, the loss of the sense of self in the foster carers, and argues that the experience of attempting to provide care for these children led to internal shifts in the carers that reverberated throughout the network around the child. The paper suggests that knowing about the external reasons for placement breakdown is not enough without taking into account the impact on the internal world of the foster carers and the emotional impact of attempting to provide care for a child who has experienced abuse and neglect.  相似文献   
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