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771.
Tim McGarry Romeo Chua Ian M Franks 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2003,56(4):601-620
The ability to inhibit an unfolding action is usually investigated using a stop signal (or gostop) task. The data from the stop-signal task are often described using a horse-race model whose key assumption is that each process (i.e., go, stop) exhibits stochastic independence. Using three variations of a coincident-timing task (i.e., go, gostop, and gostopgo) we extend previous considerations of stochastic independence by analysing the go latencies for prior effects of stopping. On random trials in the gostopgo task the signal sweep was paused for various times at various distances before the target. Significant increases in latency errors were reported on those trials on which the signal was paused (p <.005). Further analyses of the pause trials revealed significant effects for both the stopping interval (p <.001) and the pause interval (p <.05). Tukey post hoc analyses demonstrated increased latency errors as a linear function of the stopping interval, as expected, and decreased latency errors as a nonlinear function of the pause interval. These latter results indicate that the latencies of the go process, as reflected in the latency errors, may not exhibit stochastic independence under certain conditions. Various control mechanisms were considered in an attempt to explain these data. 相似文献
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Paul L. Hewitt G. Ron Norton Gordon L. Flett Lois Callander Tim Cowan 《Suicide & life-threatening behavior》1998,28(4):395-406
This study assessed whether specific dimensions of perfectionism and hopelessness were elevated in individuals who had made a serious suicide attempt in comparison to individuals with no history of suicide attempts. A sample of 39 inpatients with alcoholism who had made a serious suicide attempt and a matched sample of 39 inpatients with alcoholism but no history of suicide attempts completed the Multidimensional Perfectionism Scale, the Hopelessness Scale, ratings of achievement and social hopelessness, and the Beck Depression Inventory. The attempter group had higher scores on socially prescribed perfectionism, generalized hopelessness, achievement hopelessness, social hopelessness, and depression. A discriminant function analysis revealed that depression, social hopelessness, socially prescribed perfectionism, and other-oriented perfectionism were unique discriminators of the suicide groups. The results are discussed in terms of the importance of social personality variables in attempted suicide. 相似文献
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Tim Winter 《新多明我会修道士》2004,85(996):144-157
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Paul L. Harris Carl N. Johnson Deborah Hutton Giles Andrews Tim Cooke 《Cognition & emotion》2013,27(4):379-400
Abstract In three experiments, children aged 3 to 7 years were tested for their understanding of the impact of beliefs and desires on emotion. Children watched while animal characters were offered various types of container and then predicted their emotional reaction. In Experiment 1, the children (but not the characters) knew that the desirable contents of each container had been removed. The majority of 6-year-olds and a minority of 4-year-olds understood that the characters would be happy with the gift, given their mistaken belief about its contents. In Experiment 2, characters were given containers apparently containing an object they wanted but really containing an object they did not want, or vice versa. Predictions of emotion based on both the desire and the mistaken belief of the characters increased with age. In Experiment 3, characters were given closed containers that might or might not contain an item they wanted. Both 3-and 5-year-olds grasped that the characters' emotional reaction would depend on both their (unconfirmed) beliefs and desires about its content. The experiments show that preschool children deploy a theory-like conception of mind in predicting emotional reactions. They understand that the emotional impact of a situation depends not on its objective features but on the beliefs and desires that are brought to it. 相似文献