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331.
Anne Richards Christopher C. French Edmund Keogh Corrin Carter 《Anxiety, stress, and coping》2013,26(1):87-109
Abstract Subjects high and low in test-anxiety were presented with an inferential reasoning task requiring the verification of necessary and unnecessary inferences. The task was performed whilst holding either two or six digits in memory. On the verification task, the performance of high-test-anxious subjects was slower and less accurate than that of the low-test-anxious subjects. In addition, unnecessary inferences took longer to process than necessary inferences for the high-test-anxiety group only. The high-test-anxious subjects studied the memory loads for longer than the low-test-anxious group, but their recognition accuracy did not differ. Findings support Eysenck and Calvo's (Cognition and Emotion, 6, 409–434, 1992) processing efficiency theory. The high-test-anxious group's performance on the sentence verification task was impaired overall, and was particularly impaired when performing the unnecessary inference task. However, we also demonstrated that the high-test-anxious group's performance on a secondary memory task was unimpaired as a result of increased effort. 相似文献
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Shawn R. Charlton Richard Yi Caitlin Porter Anne E. Carter Warren Bickel Howard Rachlin 《决策行为杂志》2013,26(2):118-127
Delayed rewards are less valuable than immediate rewards. This well‐established finding has focused almost entirely on individual outcomes. However, are delayed rewards similarly discounted if they are shared by a group? The current article reports on three experiments exploring the effect of group context on delay discounting. Results indicate that discount rates of individual and group rewards were highly correlated, but that respondents were more willing to wait (decreased discounting) for shared outcomes than for individual outcomes. An explanatory model is proposed suggesting that decreased discount rates in group contexts may be due to the way the effects of both delay and social discounting are combined. That is, in a group context, a person values both a future reward (discounted by delay) and a present reward to another person (discounted by the social distance between them). The results are explained by a combined discount function containing a delay factor and a factor representing the social distance between the decision maker and group members. Practical implications of the fact that shared consequences can increase individual self‐control are also discussed. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
334.
Tony Carter Jane Z. Sojka Tony Carter Becky Oliphant 《Journal of Personal Selling & Sales Management》2013,33(3):189-191
Using practicing sales managers as subjects, the results indicate that personal characteristics of gender and weight may be used in making disciplinary judgments following episodes of a particular type of unacceptable work behavior, an unethical selling act. As hypothesized, saleswomen were disciplined less severely while overweight salespeople were disciplined more severely. However, being overweight produced harsher discipline for saleswomen but had no effect on salesmen. A stated organizational policy about the particular type of unacceptable behavior used did bring about more equal treatment for those described as overweight but did not even out the discipline administered to men and women. 相似文献
335.
Rooted in the theory of attention put forth by Mirsky, Anthony, Duncan, Ahearn, and Kellam (1991), the Structured Attention Module (SAM) is a developmentally sensitive, computer-based performance task designed specifically to assess sustained selective attention among 3- to 6-year-old children. The current study addressed the feasibility and validity of the SAM among 64 economically disadvantaged preschool-age children (mean age = 58 months; 55% female); a population known to be at risk for attention problems and adverse math performance outcomes. Feasibility was demonstrated by high completion rates and strong associations between SAM performance and age. Principal Factor Analysis with rotation produced robust support for a three-factor model (Accuracy, Speed, and Endurance) of SAM performance, which largely corresponded with existing theorized models of selective and sustained attention. Construct validity was evidenced by positive correlations between SAM Composite scores and all three SAM factors and IQ, and between SAM Accuracy and sequential memory. Value-added predictive validity was not confirmed through main effects of SAM on math performance above and beyond age and IQ; however, significant interactions by child sex were observed: Accuracy and Endurance both interacted with child sex to predict math performance. In both cases, the SAM factors predicted math performance more strongly for girls than for boys. There were no overall sex differences in SAM performance. In sum, the current findings suggest that interindividual variation in sustained selective attention, and potentially other aspects of attention and executive function, among young, high-risk children can be captured validly with developmentally sensitive measures. 相似文献
336.
Abstract When spinel is deformed in compression at 400°C along 〈110〉, the primary slip plane is found to be {111} with cross-slip occurring on a {001} plane. A comparison of weak-beam images of dislocations from both systems indicates that all dislocations which belong to the primary slip plane are dissociated out of the {111} plane independent of the character of the dislocation. It is proposed that deformation occurs by motion of dislocations in their dissociated state and that the partial dislocations actually glide on parallel glide planes. Movement of these dissociated dislocations is then accompanied by a concurrent migration of the stacking fault which takes place by a local shuffling of the cations. A stacking fault energy for conservative dissociation at 400°C on {001} of 530±90mJ m?2 has been determined from weak-beam images of screw dislocations. 相似文献
337.
Highly site-specific heterogeneous nucleation from the vapour phase has been exploited to produce metallic nanostructures on reconstructed ceramic surfaces. The site-specificity arises from the fact that nucleation takes place under highly undersaturated conditions and hence occurs only on specific favourable sites. This approach has been used to produce ordered arrays of nanoparticles, nanorods and nanowires of different metals. The experimental conditions needed to produce different nanostructures are elucidated. 相似文献
338.
Joanne Lyubovnikova Jeremy F. Dawson Matthew R. Carter 《European Journal of Work and Organizational Psychology》2013,22(6):929-950
Although theory on team membership is emerging, limited empirical attention has been paid to the effects of different types of team membership on outcomes. We propose that an important but overlooked distinction is that between membership of real teams and membership of co-acting groups, with the former being characterized by members who report that their teams have shared objectives, and structural interdependence and engage in team reflexivity. We hypothesize that real team membership will be associated with more positive individual- and organizational-level outcomes. These predictions were tested in the English National Health Service, using data from 62,733 respondents from 147 acute hospitals. The results revealed that individuals reporting the characteristics of real team membership, in comparison with those reporting the characteristics of co-acting group membership, witnessed fewer errors and incidents, experienced fewer work related injuries and illness, were less likely to be victims of violence and harassment, and were less likely to intend to leave their current employment. At the organizational level, hospitals with higher proportions of staff reporting the characteristics of real team membership had lower levels of patient mortality and sickness absence. The results suggest the need to clearly delineate real team membership in order to advance scientific understanding of the processes and outcomes of organizational teamwork. 相似文献
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Three studies tested the hypothesis that thoughts about alternatives become increasingly accessible over time, leading poor outcomes to feel subjectively farther away and less inevitable. This subjective temporal distance bias was obtained even though actual time since poor and good outcomes was identical. In Study 1, participants who recalled distant poor team outcomes thought of alternatives easily and outcomes felt farther away and less inevitable. Thoughts about outcomes were most easily accessible after good outcomes, which felt closer and more inevitable. In Study 2, with measures obtained immediately or at a later time on a negotiation task, changes over time occurred primarily for poor team outcomes. In Study 3, team performance on an investment task indicated it is whether alternatives are thought of easily, not thought content, that produces this effect. Discussion centers on temporal appraisals, other temporal biases, and teams. 相似文献