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We investigated people's ability to decide how much time to spend on the task at hand. To make such decisions well, one must take into account, among other things, the cost of failing and how one's task performance changes as a function of time. We first investigated timing decisions when the underlying task was perceptual. Decisions were highly efficient and suggested that people can make good use of perceptual knowledge and abstract reward information. Previous studies have found that perceptual decisions are generally optimal, but that cognitive decisions are generally suboptimal--a perception-cognition gap. Does a similar gap exist for timing decisions? We compared timing decisions for a perceptual task with timing decisions for more cognitive tasks. Performance was highly similar across the tasks, which suggests that knowledge can be acquired, and used to make timing decisions, in an equally efficient way regardless of whether that knowledge is derived through perceptual or cognitive experience. 相似文献
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Although reasoning seems to be inextricably linked to seeing in the “mind's eye”, the evidence is equivocal. In three experiments, sighted, blindfolded sighted, and congenitally totally blind persons solved deductive inferences based on three sorts of relation: (a) visuo-spatial relations that are easy to envisage either visually or spatially, (b) visual relations that are easy to envisage visually but hard to envisage spatially, and (c) control relations that are hard to envisage both visually and spatially. In absolute terms, congenitally totally blind persons performed less accurately and more slowly than the sighted on all such tasks. In relative terms, however, the visual relations in comparison with control relations impeded the reasoning of sighted and blindfolded participants, whereas congenitally totally blind participants performed the same with the different sorts of relation. We conclude that mental images containing visual details that are irrelevant to an inference can even impede the process of reasoning. Persons who are blind from birth—and who thus do not tend to construct visual mental images—are immune to this visual-impedance effect. 相似文献
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The Elaborated Intrusion (EI) theory of desire posits that visual imagery plays a key role in craving. We report a series of experiments testing this hypothesis in a drug addiction context. Experiment 1 showed that a mental visual imagery task with neutral content reduced cigarette craving in abstaining smokers, but that an equivalent auditory task did not. The effect of visual imagery was replicated in Experiment 2, which also showed comparable effects of non-imagery visual working memory interference. Experiment 3 showed that the benefit of visual over auditory interference was not dependent upon imagery being used to induce craving. Experiment 4 compared a visuomotor task, making shapes from modeling clay, with a verbal task (counting back from 100), and again showed a benefit of the visual over the non-visual task.We conclude that visual imagery supports craving for cigarettes. Competing imagery or visual working memory tasks may help tackle craving in smokers trying to quit. 相似文献
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Madeline E. Heilman Suzette Caleo May Ling Halim 《Journal of experimental social psychology》2010,46(4):672-675
A study investigated how anticipated communication mode affects the use of stereotypes in forming impressions and making task assignments. Participants rated male or female targets with whom they envisioned working on a business project using computer-mediated or face-to-face modes of communication. Results indicated that both men and women were characterized more stereotypically when participants anticipated working with them electronically than when they anticipated working with them face-to-face. Furthermore, task assignments were more often gender stereotype consistent when the communication mode was computer-mediated than when it was face-to-face. These findings suggest that the mere anticipation of computer-mediated communication, without the actual the experience of it, is enough to promote stereotypes and biased decision-making. 相似文献
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Two studies indicated that being a nontraditional job applicant due to voluntary interruption of college attendance had detrimental consequences for employment evaluation. These negative reactions were more severe for women than for men. Women with interrupted attendance received the most negative responses (Studies 1 and 2). Choosing to interrupt college attendance increased perceived instability and also positively affected perceived flexibility, and these characterizations were related to evaluative outcomes (Study 2). Moreover, both instability and flexibility characterizations contributed to the gender‐discrepant consequences of interrupted college attendance. Female applicants were rated more negatively on flexibility characterizations than were male applicants. Furthermore, although there were no gender differences in ratings of instability, instability ratings were found to negatively impact evaluations of female applicants, but not male applicants. 相似文献
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Law enforcement personnel regularly present suspects to eyewitnesses using showups. In this study, we examined the impact of the presence of stolen property on live showup identification performance. Two hundred seventy university students were exposed to a simulated theft. During the subsequent showup, we manipulated the presence of the target and stolen property. Binary logistic regression analyses indicated that both factors independently predicted the accuracy of identification decisions. Participants were more accurate when the target was in the showup and when the stolen property was present during the identification. Consistent with the item, context, and ensemble theory of recognition, the presence of stolen property led to an increase in sensitivity, suggesting ensemble formation. Future research on showups should continue to examine contextual variables that may lead to changes in sensitivity or criterion shift. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
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May Nilsson 《Journal of Child Psychotherapy》2013,39(2):131-141
This paper explores some issues that might arise when one considers having a table hockey game in the therapy room, and describes how an autistic boy, aged four-and-a-half when starting treatment, used that game. The unfolding process from withdrawal to separateness, intersubjectivity and playfulness is illustrated by the progress of two years of twice-weekly psychoanalytic psychotherapy. Special attention is paid to how the play progressed through the intermediate area that the therapist provided. 相似文献