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Maxwell J. Roberts Elizabeth J. Newton 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2001,54(4):1031-1048
Three experiments are reported, which are based upon the Wason four-card selection task inspection time paradigm, in which subjects solve computer-presented trials while using a mouse to indicate the card currently under consideration. Evans (1996) had shown that selected cards were inspected for longer than non-selected cards, and this was taken as support for the existence of pre-conscious heuristic processes that direct attention towards relevant aspects of a problem. However, Roberts (1998b) suggested that this inspection time effect is artefactual, due to task format induced biases. Experiment 1 utilized a "change" task: Cards were presented either as selected or not selected, and subjects changed these where necessary. This demonstrated an association between card selection and inspection time independently of one between the act of response and inspection time. Experiment 2 utilized a standard selection task, but subjects either responded within 2 s of each card presentation, or made selections with no time pressure. The curtailment of thinking time increased matching behaviour—more cards matching the terms in the rules were selected—and was replicated in Experiment 3 using a within-subjects design. Overall, the data support Evans' heuristic-analytic framework albeit with some caveats. 相似文献
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Brian L. Mishara PhD David N. Weisstub JD LLD 《Suicide & life-threatening behavior》2010,40(2):159-169
The ethical basis of suicide prevention is illustrated by contrasting helpline emergency rescue policies of the Samaritans and the AAS and the U.S. National Suicide Prevention Lifeline network. We contrast moralist, relativist, and libertarian ethical premises and question whether suicide can be rational. Samaritans respect a caller's right to decide to die by suicide; U.S. helplines oblige emergency intervention during an attempt even against the caller's will. We analyze the effect of emergency rescue when there is high suicide risk but an attempt has not been initiated. We examine links between values and actions, needs for empirical evidence to guide practice, and propose vigorous dialogue about values in the gray zone of moral practice. 相似文献
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This study examined the role of marital conflict structure--who desires and requests change versus who responds to the change request--in spouses' cardiovascular responses to marital interactions. Forty-one couples discussed 2 marital topics: one in which the wife desired change in the husband, and one in wich the husband desired change in the wife. Cardiovascular responses were assessed at 2-min intervals. Results indicated that marital conflict structure moderates cardiovascular reactivity during negative marital interactions: Husbands and wives whose interactions were characterized by high levels of negative behavior showed the most pronounced diastolic blood pressure reactivity, but only when they were in the role of desiring change in their spouses. Implications for gender difference in marital conflict physiology are considered. 相似文献
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