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951.
Andrew M. Colman Briony D. Pulford Fergus Bolger 《Organizational behavior and human decision processes》2007,104(2):193-206
In individual choices between alternatives x and y, the availability of a third alternative z, judged inferior to x but not to y, tends to increase preferences for x. Two experiments investigated corresponding strategic asymmetric dominance effects in games. In Experiment 1, 72 players chose strategies in six symmetric 3 × 3 games, each having one strategy dominating just one other, or in reduced 2 × 2 games constructed by deleting the dominated strategies. Asymmetrically dominated strategies, even when unavailable (phantom decoy), increased choices of the strategies that dominated them and bolstered decision confidence. In Experiment 2, 81 participants played 12 similar but asymmetric games with or without dominated strategies, and similar asymmetric dominance, phantom decoy, and confidence effects were found. 相似文献
952.
953.
ABSTRACT— We review association studies that have examined the genetic basis of eating disorders. Overall, findings suggest that serotonin, brain-derived neurotrophic factor, and estrogen genes may be important for the development of the disorders. These neuronal systems influence behavioral and personality characteristics (e.g., anxiety, food intake) that are disrupted in eating disorders. Future studies would benefit from larger sample sizes and inclusion of behavioral and personality covariates in analyses. Consideration of the mechanisms of genetic effects and interactions between genes and environment is also needed to extend conceptualizations of the genetic basis of these disorders. 相似文献
954.
Alterations in bodily awareness have been implicated in depression but there has been little detailed empirical characterisation of the degree and accuracy of body perception in the disorder. The present study examined the objective accuracy of heartbeat perception (using the Schandry mental tracking task) and the subjective degree of bodily focus (using the Bodily Consciousness Questionnaire; BCQ) in healthy control volunteers, a moderately depressed community sample, and a more severely depressed clinic sample (n=18 in each group). The community sample showed less accurate heartbeat perception than the control group as expected. Counter to prediction, however, the more severely depressed clinic sample performed better than the community depressed sample and equivalently to control volunteers on the Schandry task. There were no group differences on subjective bodily awareness. Implications for theories of depression are discussed. 相似文献
955.
Cognitive theories propose that the resolution of ambiguity is related to the maintenance of social anxiety. A sentence completion task was used to examine how individuals high (n=26) and low (n=23) in social anxiety resolve ambiguous social sentences. Individuals were asked to generate as many responses as came to mind for each sentence, and then to endorse the response that best completes the sentence. Total responses, first responses, and endorsed responses were examined separately. Results indicated that high anxious individuals had more negative and anxious responses and fewer positive and neutral responses than low anxious individuals on all sentence completion measures. In contrast, a self-report measure of interpretation bias indicated that more of negative and anxious appraisals were related to social anxiety, while positive and neutral appraisals were not. Results are discussed in terms of a multi-stage processing model of interpretation biases. 相似文献
956.
Kelly T 《The Journal of analytical psychology》2007,52(2):157-169
This paper addresses the issue of variances in training modalities and how this is linked to one's personal experience of training and to one's analytic lineage. The author, who bases his reflections on discussions held during the yearly directors of training meeting of the North American Jungian Societies, suggests that, while each institute aims to provide an 'ideal' training programme for its candidates, the philosophy underlying how this ideal is defined depends, in large part, on the theoretical and philosophical orientation of the founding fathers and mothers. This results in a form of analytic lineage that necessarily impacts on the form and content of the 'ideal' programme. Shadow issues related to analytic lineage in the admissions procedures, case consultation, exam committees and review committees are presented. Motivation for why we choose to train and reflections on what makes an analyst 'Jungian' are explored. 相似文献
957.
Up until recently, it had been assumed that attentional biases for negative information do not exist in depression. However studies using post-conscious exposure durations have produced contradictory results. The limitations of common attentional tasks, suitability of stimulus materials and differences in stimulus duration times may have contributed to these inconsistencies. We aimed to address many of these issues and examine attentional responses in major depression at two post-conscious exposure times. We also investigated possible roles for rumination and distraction in increasing and lessening attentional biases for negative information. We used a fully controlled experimental design to test the effects of both induced and trait rumination and distraction on attention in patients with major depression and healthy controls. Attention was assessed using the dot-probe task. The findings revealed an attentional bias for negative information in depressed patients only at the longer post-conscious exposure duration. Furthermore although this bias was not influenced by either induced or trait distraction, it was related to trait rumination. Overall, the results showed that depression is associated with a strategic attentional bias towards negative information and that this bias is stronger in individuals who habitually ruminate. 相似文献
958.
Understanding how responses become prepotent is essential for understanding when inhibitory control is needed in everyday behavior. The authors investigated the conditions under which manual actions became prepotent in a go/no-go task. Children had to open boxes that contained stickers on go trials and leave shut boxes that were empty on no-go trials. In Experiment 1 (n = 40, mean age = 3.6 years), the authors obtained evidence consistent with this task requiring inhibitory control. Results of Experiment 2 (n = 40, mean age = 3.7 years) suggested that box opening was prepotent because (a) opening is the habitual action associated with boxes and (b) children planned to open boxes on go trials of the task. Experiment 3 (n = 96, mean age = 3.5 years) showed that even empty boxes elicited the same errors and that delaying responding reduced errors even though the delay occurred before the cue that indicated the correct response (contrary to a rule reflection account). Because the delay occurred after box presentation, performance was consistent with a transient activation account. Delay training might benefit children with weak inhibition. 相似文献
959.
The authors compared linear and nonlinear relations between affective and continuance commitment and 3 commonly studied work outcomes (turnover cognitions, absenteeism, and job performance), observed in 3 separate research settings. Using a linear model, they replicated the common observation in the literature that affective commitment is more strongly related to work outcomes than continuance commitment. Introducing a higher order continuance commitment term into the same equations, however, they found that the linear model seriously understated the magnitude of continuance commitment's effect on all 3 criterion measures. These findings are consistent with recent developments that identify different motivational mindsets associated with affective and continuance commitment (J. P. Meyer, T. E. Becker, & C. Vandenberghe, 2004). 相似文献
960.
The purpose of the present study was to examine the relationship among Effort, Reward, and Overcommitment dimensions of Siegrist's Effort-Reward Imbalance Model and Psychological Distress in a sample of 78 Canadian police officers. Ages of respondents ranged between 24 and 56 years (M=36.1, SD=8.0). 30% of respondents had been in policing for 16 years or more, 24% between 6 and 15 years, and 44% for 5 years or less. Ordinary least-squares regression was used to evaluate the relationship between the independent and dependent variables. After adjusting for age, sex, education, and marital status, higher levels of Effort-Reward Imbalance and Overcommitment were associated with greater Psychological Distress. Present findings support the utility of the model in this particular occupational group and add to the increasing literature suggesting association of Effort-Reward Imbalance, Overcommitment, and reduced mental health. 相似文献