30 resultados para Ingroup Bias

em University of Queensland eSpace - Australia


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The authors examined whether status differences moderate the effects of common fate on subgroup relations. University students (N = 103) were led to believe that their subgroup was performing well (high status) or poorly (low status) relative to another subgroup. They were then told that the combined performances of the subgroups would have shared implications for their subgroup's welfare. (common fate) or that there would be a direct link between their subgroup's performance and its welfare (no common fate). High-status (but not low-status) group members responded to the common fate situation by (a) decategorizing and (b) showing benevolence to the out-group. Results are discussed with respect to their implications for managing subgroup relations.

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An experiment was conducted to investigate the idea that an important motive for identifying with social groups is to reduce subjective uncertainty, particularly uncertainty on subjectively important dimensions that have implications for the self-concept (e.g., Hogg, 1996; Hogg & Mullin, 1999). When people are uncertain on a dimension that is subjectively important, they self-categorize in terms of an available social categorization and, thus, exhibit group behaviors. To test this general hypothesis, group membership, task uncertainty, and task importance were manipulated in a 2 x 2 x 2 between-participants design (N = 128), under relatively minimal group conditions. Ingroup identification and desire for consensual validation of specific attitudes were the key dependent measures, but we also measured social awareness. All three predictions were supported. Participants identified with their group (H1), and desired to obtain consensual validation from ingroup members (H2) when they were uncertain about their judgments on important dimensions, indicating that uncertainty reduction motivated participants towards embracing group membership. In addition, identification mediated the interactive effect of the independent variables on consensual validation (H3), and the experimental results were not associated with an increased sense of social awareness and, therefore, were unlikely to represent only behavioral compliance with generic social norms. Some implications of this research in the study of cults and totalist groups and the explication of genocide and group violence are discussed.

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The author conducted 2 studies to explore the link between superiority bias in the interpersonal and intergroup domains. Australian university students evaluated the extent to which various personality traits were more or less applicable to themselves than to other Australian university students in general. They then evaluated the extent to which the same traits were more or less applicable to Australians than to people from other countries in general. As expected, the more participants evaluated themselves as superior to other university students, the more they evaluated Australians as a whole as superior to people from other countries. This link between interpersonal and intergroup superiority biases explained 22.1% of variance in Study 1 and 33.6% of variance in Study 2. The author interprets the results of the 2 studies as support for fundamental principles of social identity theory: (a) that self-concept consists of not only one's personal self but also the social groups to which one belongs and (b) that people are motivated to view both levels of self in a relatively positive fashion.

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This experiment examined members' evaluations of a group leader and the group in contexts where a superordinate group comprised two subgroups and the group leader was aligned with one or other subgroup. The design varied group leader (ingroup, outgroup) and leader behavior (ingroup favoring, outgroup favoring) as well as the broader comparative context (intragroup, intergroup). Across a number of measures, results indicated a consistent Group Leader x Leader Behavior interaction that was independent of comparative context. Although group members were most satisfied with an ingroup leader who favored the ingroup, ingroup leaders were perceived positively irrespective of their behavior Outgroup leaders who unexpectedly favored the other subgroup were also perceived positively. However, outgroup leaders who favored their own subgroup were perceived as less fair and as more biased than other leaders. They also engendered less identification with the superordinate group and a less unified perception of the group. Results demonstrate the importance of social identity concerns to leadership in nested group contexts and emphasize the fact that perceptions of leader fairness and concern for the common group mediate responses to the superordinate category. Copyright (C) 2003 John Wiley Sons, Ltd.

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The use of presence/absence data in wildlife management and biological surveys is widespread. There is a growing interest in quantifying the sources of error associated with these data. We show that false-negative errors (failure to record a species when in fact it is present) can have a significant impact on statistical estimation of habitat models using simulated data. Then we introduce an extension of logistic modeling, the zero-inflated binomial (ZIB) model that permits the estimation of the rate of false-negative errors and the correction of estimates of the probability of occurrence for false-negative errors by using repeated. visits to the same site. Our simulations show that even relatively low rates of false negatives bias statistical estimates of habitat effects. The method with three repeated visits eliminates the bias, but estimates are relatively imprecise. Six repeated visits improve precision of estimates to levels comparable to that achieved with conventional statistics in the absence of false-negative errors In general, when error rates are less than or equal to50% greater efficiency is gained by adding more sites, whereas when error rates are >50% it is better to increase the number of repeated visits. We highlight the flexibility of the method with three case studies, clearly demonstrating the effect of false-negative errors for a range of commonly used survey methods.

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Research on group criticism has demonstrated that criticisms are received less defensively when made by an ingroup member than when made by an outsider (the intergroup sensitivity effect). Three experiments tested the extent to which this effect is driven by social identity concerns or by judgments of how experienced the source of the criticism is. In Experiments I and 2, Australians who criticized Australia (ingroup critics) were met with less defensiveness than were foreigners who criticized Australia (outgroup critics), regardless of the amount of experience the foreigner had with Australia. Furthermore, the effects of speaker type on evaluations were mediated by perceptions of the extent to which the criticisms were intended to be constructive but not by perceptions of experience. Finally, Experiment 3 indicated that although experience does not help outgroup critics, a lack of experience can hurt ingroup critics. Recommendations are provided as to how people can reduce defensiveness when making group criticisms.

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Research investigating anxiety-related attentional bias for emotional information in anxious and nonanxious children has been equivocal with regard to whether a bias for fear-related stimuli is unique to anxious children or is common to children in general. Moreover, recent cognitive theories have proposed that an attentional bias for objectively threatening stimuli may be common to all individuals, with this effect enhanced in anxious individuals. The current study investigated whether an attentional bias toward fear-related pictures could be found in nonselected children (n = 105) and adults (n = 47) and whether a sample of clinically anxious children (n = 23) displayed an attentional bias for fear-related pictures over and above that expected for nonselected children. Participants completed a dot-probe task that employed fear-related, neutral, and pleasant pictures. As expected, both adults and children showed a stronger attentional bias toward fear-related pictures than toward pleasant pictures. Consistent with some findings in the childhood domain, the extent of the attentional bias toward fear-related pictures did not differ significantly between anxious children and nonselected children. However, compared with nonselected children, anxious children showed a stronger attentional bias overall toward affective picture stimuli. (C) 2004 Elsevier Inc. All rights reserved.

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Witnessing an ingroup member acting against his or her belief can lead individuals who identify with that group to change their own attitude in the direction of that counterattitudinal behavior. Two studies demonstrate this vicarious dissonance effect among high ingroup identifiers and show that this attitude change is not attributable to conformity to a perceived change in speaker attitude. Study I shows that the effect occurs-indeed, is stronger-even when it is clear that the speaker disagrees with the position espoused, and Study 2 shows that foreseeable aversive consequences bring about attitude change in the observer without any parallel impact on the perceived attitude of the speaker. Furthermore, the assumption that vicarious dissonance is at heart a group phenomenon is supported by the results indicating that attitude change is not impacted either by individual differences in dispositional empathy or measures of interpersonal affinity.

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Objectives: To estimate differences in self-rated health by mode of administration and to assess the value of multiple imputation to make self-rated health comparable for telephone and mail. Methods: In 1996, Survey 1 of the Australian Longitudinal Study on Women's Health was answered by mail. In 1998, 706 and 11,595 mid-age women answered Survey 2 by telephone and mail respectively. Self-rated health was measured by the physical and mental health scores of the SF-36. Mean change in SF-36 scores between Surveys 1 and 2 were compared for telephone and mail respondents to Survey 2, before and after adjustment for socio-demographic and health characteristics. Missing values and SF-36 scores for telephone respondents at Survey 2 were imputed from SF-36 mail responses and telephone and mail responses to socio-demographic and health questions. Results: At Survey 2, self-rated health improved for telephone respondents but not mail respondents. After adjustment, mean changes in physical health and mental health scores remained higher (0.4 and 1.6 respectively) for telephone respondents compared with mail respondents (-1.2 and 0.1 respectively). Multiple imputation yielded adjusted changes in SF-36 scores that were similar for telephone and mail respondents. Conclusions and Implications: The effect of mode of administration on the change in mental health is important given that a difference of two points in SF-36 scores is accepted as clinically meaningful. Health evaluators should be aware of and adjust for the effects of mode of administration on self-rated health. Multiple imputation is one method that may be used to adjust SF-36 scores for mode of administration bias.

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Purpose-The paper aims to analyse the nature of business communication and its influence on relationships development between Hong Kong Chinese intermediaries sourcing from Mainland Chinese sellers involved in manufacturing for sale to Western buyer firms. Design/methodology/approach-A case study-driven methodology with purposeful sampling is applied to yield maximum variation in the sampling to elicit underlying tendencies and generative mechanisms that exist within and across the multiple cases of relationships. Findings-The paper finds that Mainland Chinese sellers and Hong Kong Chinese intermediaries tend not to have the close ties that might be expected. Mainland Chinese sellers constrained their use of social information, requiring Hong Kong Chinese intermediaries to use commercial information transfers to evaluate the trustworthiness of their Mainland Chinese partners. An ingroup/outgroup bias exacerbates the modesty bias of the Mainland Chinese and also hinders learning through the transfer of technical information within these Chinese interactions. On the other hand, Western buyers tend not to prefer social information interactions with their Hong Kong Chinese intermediaries, requiring these intermediaries to emphasise commercial information interactions to evaluate the trustworthiness of their Western buyers. Research limitations/implications-This research uses a restricted sample of case study respondents. Representative sampling across multiple contexts will assist in testing the generality of the findings. Practical implications-For the West to source increasingly attractive manufactures from Mainland China, Hong Kong intermediaries will remain fundamentally important even though this creates further interactions. The aggregate of these multiple exchange arrangements is less problematic than would be the case if Western business were to deal directly with the Mainland Chinese. Originality/value-This article sheds light on the nature of business communication interactions in a group of relationships between Hong Kong Chinese intermediaries and Mainland sellers, and buyers from the West. Implications for relationships development among the Chinese and Western actors are identified with propositions framed to guide further investigation.

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The measurement of lifetime prevalence of depression in cross-sectional surveys is biased by recall problems. We estimated it indirectly for two countries using modelling, and quantified the underestimation in the empirical estimate for one. A microsimulation model was used to generate population-based epidemiological measures of depression. We fitted the model to 1-and 12-month prevalence data from the Netherlands Mental Health Survey and Incidence Study (NEMESIS) and the Australian Adult Mental Health and Wellbeing Survey. The lowest proportion of cases ever having an episode in their life is 30% of men and 40% of women, for both countries. This corresponds to a lifetime prevalence of 20 and 30%, respectively, in a cross-sectional setting (aged 15-65). The NEMESIS data were 38% lower than these estimates. We conclude that modelling enabled us to estimate lifetime prevalence of depression indirectly. This method is useful in the absence of direct measurement, but also showed that direct estimates are underestimated by recall bias and by the cross-sectional setting.

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Two experiments tested the prediction that uncertainty reduction and self-enhancement motivations have an interactive effect on ingroup identification. In Experiment 1 (N = 64), uncertainty and group status were manipulated, and the effect on ingroup identification was measured. As predicted, low-uncertainty participants identified more strongly with a high- than low-status group, whereas high-uncertainty participants showed no preference; and low-status group members identified more strongly under high than low uncertainty, whereas high-status group members showed no preference. Experiment 2 (N = 210) replicated Experiment 1, but with a third independent variable that manipulated how prototypical participants were of their group. As predicted, the effects obtained in Experiment 1 only emerged where participants were highly prototypical. Low prototypicality depressed identification with a low-status group under high uncertainty. The implications of these results for intergroup relations and the role of prototypicality in social identity processes are discussed.

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It is often assumed that group-directed criticism is best kept 'in-house', but the effects of audience on responses to criticism have not been directly examined. Consistent with predictions, ingroup members who criticized the group to an outgroup audience were seen to be making a less appropriate choice of audience (Experiments 2 and 3), aroused more negative feelings (Experiment 1), were downgraded more strongly on personality traits (Experiment 2), and were seen to be doing more damage to the group (Experiment 2) than were ingroup members who kept their criticisms in-house. Experiment 3 showed that, whereas moderate identifiers agreed with the comments less and showed weaker friendly intentions toward the critic when an outgroup audience as compared to an ingroup audience was chosen, high identifiers agreed with the criticisms just as strongly-and showed more friendly intentions toward the critic-when they were made to an outgroup as compared to an ingroup audience. Results are discussed in light of the broader literature on identity threat. Copyright © 2005 John Wiley & Sons, Ltd.