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621.
The purpose of this study is to examine the temporal representation of plans in memory. Two experiments using a priming paradigm were conducted to investigate which plans would be activated in memory when participants processed a particular plan. The 64 undergraduates who participated in Experiment 1 were asked to memorise a 1-month schedule of plans. Results showed that when participants were presented with a particular plan as a prime, the preceding plan in the schedule was immediately activated. After the activation of the preceding plan, the plan following the prime plan in the schedule was activated. Experiment 2 was conducted to examine whether the sequential effect found in Experiment 1 might be based on day order (e.g., plans for day 1, plans for day 2, etc.) or simple ordering of plans (e.g., plan 1, plan 2, etc.). However, in the results of Experiment 2, with 48 undergraduate participants, the dynamic transition in the activation of plans along the time course, seen in Experiment 1, was not observed. 相似文献
622.
In the signal detection paradigm, the non-parametric index of sensitivity A′, as first introduced by Pollack and Norman (1964), is a popular alternative to the more traditional d′ measure of sensitivity. Smith (1995) clarified a confusion about the interpretation of A′ in relation to the area beneath proper receiver operating characteristic (ROC) curves, and provided a formula (which he called A′′) for this commonly held interpretation. However, he made an error in his calculations. Here, we rectify this error by providing the correct formula (which we call A) and compare the discrepancy that would have resulted. The corresponding measure for bias b is also provided. Since all such calculations apply to “proper” ROC curves with non-decreasing slopes, we also prove, as a separate result, the slope-monotonicity of ROC curves generated by likelihood-ratio criterion.This revised article was published online in August 2005 with the PDF paginated correctly. 相似文献
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The anger superiority effect shows that an angry face is detected more efficiently than a happy face. However, it is still controversial whether attentional allocation to angry faces is a bottom-up process or not. We investigated whether the anger superiority effect is influenced by top-down control, especially working memory (WM). Participants remembered a colour and then searched for differently coloured facial expressions. Just holding the colour information in WM did not modulate the anger superiority effect. However, when increasing the probabilities of trials in which the colour of a target face matched the colour held in WM, participants were inclined to direct attention to the target face regardless of the facial expression. Moreover, the knowledge of high probability of valid trials eliminated the anger superiority effect. These results suggest that the anger superiority effect is modulated by top-down effects of WM, the probability of events and expectancy about these probabilities. 相似文献
625.
舌尖现象(Tip-of-the-Tongue phenomenon, TOT)是言语产生中的一种常见现象。国外研究发现, 双语者和单语者的舌尖现象差异很大。双言和双语既相似, 又存在差异。以粤语–普通话双言者为被试, 比较了普通话熟练和不熟练的被试在使用不同语言命名时的TOT产生率。结果发现:(1)粤语–普通话双言者的TOT率受普通话熟练程度影响。普通话不熟练的粤语–普通话双言者用普通话命名时产生更高的TOT率。(2)语言启动能够调节粤语–普通话双言者的普通话熟练程度与TOT产生的关系。在语言启动条件下, 普通话熟练的粤语–普通话双言者的TOT率更高。(3)粤语–普通话双言者的TOT产生机制符合部分激活理论的预言。 相似文献
626.
Jun Saiki 《Visual cognition》2013,21(6):651-681
The phenomenon of change blindness suggests that we have a severe capacity limitation in scene perception. The storage of surface representations can overcome this limitation by providing efficient cues about objects in the world. Five experiments examined whether subjective surfaces are preferentially processed in visual short-term memory (VSTM) in a change detection task using a flicker paradigm. Even with the same amount of physical change applied to the figures, people were faster and more accurate in detecting a change involving the presence and absence of a subjective surface than in detecting changes involving subjective contours or rotational symmetry. The effects were not solely due to the configuration of the inducers or to the attentional set. The advantage for the subjective surface reflects the faster encoding into VSTM. Modally completed surfaces play important roles not only in visual perception and search, but also in visual cognition involving VSTM. 相似文献
627.
Aichia Chuang Timothy A. Judge Yuann Jun Liaw 《European Journal of Work and Organizational Psychology》2013,22(1):28-56
Integrating theories from leadership, emotion management, affectivity, and customer service, this study examines how transformational leadership leads to favourable customer intentions via the mediation of service employees' emotion regulation, job satisfaction, and their service performance and via the moderation of employee negative affectivity. Results obtained from data of 204 matched sets of managers, service employees, and customers show that the effect of transformational leadership on amplification of pleasant emotions was conditioned on service employees' negative affectivity. Employee service performance partially mediated the effect of job satisfaction on customer outcomes. Finally, overall results reveal that transformational leadership and amplification of pleasant emotions were more strongly related to the customer outcomes, as mediated through the intervening variables in the model, when negative affectivity was high than when negative affectivity was low. Results have implications for how service workers with negative affectivity can manage their emotions to achieve effective service outcomes through interactions with a leader, how the effect of transformational leadership can be bounded, and how transformational leadership and emotion regulation are relevant to customer service. 相似文献
628.
无意识信息对人们的行为有着十分重要的影响,它不仅能触发相对低级的认知功能而且也能触发冲突控制等相对高级的认知功能。尽管已有研究从行为和认知神经研究两个方面强有力地证实了无意识冲突的存在,但对无意识冲突是源自中枢加工产生的语义冲突还是晚期动作选择中产生的反应冲突存在激烈的争议。本研究采用分离语义冲突和反应冲突的实验逻辑在Stroop掩蔽启动任务中探讨了无意识冲突的机制。结果发现,无意识Stroop效应中既包含语义冲突又包含反应冲突。这说明无意识冲突可能由语义冲突和反应冲突共同构成。实验结果也进一步支持了无意识刺激可以加工到语义水平的观点。 相似文献
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