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91.
采用相对新近性判断范式(judgments of relative recency),通过三个实验探讨了工作记忆中时序信息和空间信息的存储方式及其关系。实验一比较了有无空间线索两种条件下时序信息的记忆绩效,结果发现,有无空间线索并不影响对时序信.E-的记忆。实验二和实验三通过控制刺激呈现的视野范围和减少呈现位置的不确定性来利化空间线索,结果表明,时序信息的记忆绩效也不受空间线索的影响。由此推论,工作记忆中的时序信息和空间信息是分离编码存储的,加入空间线索并不能提高时序信息的记忆绩效。 相似文献
92.
93.
Larissa Z. Tiedens 《Political psychology》1997,18(1):45-69
One World War II Jewish ghetto that revolted, the Warsaw Ghetto, is compared to one that did not, the Lodz Ghetto, in order to examine the causes of violent resistance. This structured focused comparative method (George, 1979) illuminates problems with previous explanations for revolt and nonrevolt in Jewish ghettos and suggest psychological variables that might have led to or precluded organized violence. Specifically, it appears that these two ghettos differed in their perceptions about their future. The residents of the Warsaw Ghetto believed they had no hope of survival while residents of the Lodz Ghetto remained optimistic. These differing perceptions seem to have led to the different outcomes. Possible causes of these percetpions are also discussed. 相似文献
94.
Short-component multiple schedules: effects of relative reinforcement duration 总被引:4,自引:4,他引:0 下载免费PDF全文
Pigeons were exposed to multiple variable-interval 2-min variable-interval 2-min schedules of food presentation in which relative duration of food presentation was manipulated. When components alternated every 5 sec and were scheduled on separate response keys, relative response rates closely matched relative reinforcement duration in three of four pigeons. On the other hand, relative response rates were insensitive to relative reinforcement duration when components scheduled on a single response key alternated every 5 sec, and when components scheduled on separate response keys alternated every 2 min. Thus, both rapid alternation and spatial separation of components were necessary to produce approximate matching of relative responding to relative reinforcement duration. This finding contrasts with previous findings that only rapid component alternation is necessary for matching when relative rate of reinforcement is manipulated. 相似文献
95.
D A Stubbs 《Journal of the experimental analysis of behavior》1980,33(2):167-185
Pigeons were presented a series of keylight time periods (separated by blackouts) during which two response keys were lit, one by blue light and the other either by orange or green. Blue-key responses changed the color on the other key. Orange-key responses sometimes produced food during the first half of a time period; green-key responses sometimes produced food during the second half. In three experiments, the probability of a green-key response increased as a function of elapsed time. Experiment 1 compared performance when the duration of the keylight periods was varied across a wide range. Discrimination of performance was similar across the range of durations. Experiment 2 varied both relative reinforcement rate and the local reinforcement rate for orange-key and green-key responses. These manipulations produced changes in response bias but not discrimination sensitivity. Experiment 3 varied the local temporal placement of reinforcers within time periods and demonstrated that choice behavior was affected by differential reinforcement at different points during the time periods. The results were consistent with previous research on duration discrimination that used psychophysical trials procedures. 相似文献
96.
社会决策中的公平准则一直受到广泛的关注,经济学家和心理学家们分别从动机和认知的角度对这个课题进行了深入探索.在这些工作中,最为突出的是“均等”,“互惠”和“情绪”三个模型的提出.均等和互惠模型试图从动机角度理解个体的公平行为,而情绪模型则更强调个体在公平决策中的认知和情绪的加工过程.近年来脑成像的研究也为这些模型提供了相应的支持,其中与公平准则最密切的脑区是脑岛和背外侧前额叶:前者一般被认为是反映了个体面对不公平待遇时的负性情绪体验;而后者主要负责决策过程中的抑制控制.但这些脑区具体的功能还存在很多争议,反映了不同理论模型对特定脑区功能的不同理解.未来研究应注意三个模型之间的相互补充,以及加强多模态的脑指标的运用,并注重相关脑区的整体性,此外,公平决策行为中的个体差异,以及社会情境对其的影响也应受到重视. 相似文献
97.
Anne Corinne Huggins-Manley Yuxi Qiu Randall D. Penfield 《International Journal of Testing》2018,18(1):50-70
Score equity assessment (SEA) refers to an examination of population invariance of equating across two or more subpopulations of test examinees. Previous SEA studies have shown that score equity may be present for examinees scoring at particular test score ranges but absent for examinees scoring at other score ranges. No studies to date have performed research for the purpose of understanding why score equity can be inconsistent across the score range of some tests. The purpose of this study is to explore a source of uneven subpopulation score equity across the score range of a test. It is hypothesized that the difficulty of anchor items displaying differential item functioning (DIF) is directly related to the score location at which issues of score inequity are observed. The simulation study supports the hypothesis that the difficulty of DIF items has a systematic impact on the uneven nature of conditional score equity. 相似文献
98.
《Sport, Ethics and Philosophy》2013,7(4):413-426
The standard therapy/enhancement distinction is usually related to health purposes and some sense of normality. In this paper, I will challenge the basis of the distinction arguing that only the first part of it is related to health and, consequently, the distinction should be better understood as differentiating between qualitative and quantitative consequences of interventions. As health and normality are broad concepts inside of which it is possible to make some ulterior distinctions, I will propose three different senses of normality in order to more easily grasp the therapy/enhancement distinction. As with the distinction between therapy and enhancement, the difference between sports- and non-sports-persons is usually stated in terms of health and normality. I will challenge this assumption, too. In my opinion, the main difference between people, sportspeople and athletes should be related to the practice itself. Once the practice of a sport is taken seriously, along with its tough and demanding lifestyle, it is possible to properly analyse the distinction between people who practice and do not practice sport; the different levels at which they participate—quite obviously—have little to do with health purposes. Finally, I will revisit the standard therapy/enhancement distinction in sport in order to provide a way to easily reformulate this distinction allowing embarrassing blunders to be avoided and athletes’ health to be adequately cared for. I will conclude this paper with two open questions related to the use of the therapy/enhancement distinction for sport purposes and the challenge that it represents for some basic values of sport. 相似文献
99.
《Sport, Ethics and Philosophy》2013,7(2):259-270
In this paper we investigate the logical consequences of the common understanding of amateurism in the context of big-time US college athletics, and in so doing, illustrate a method based on linguistic analysis and logic. The initial thrust of the paper centres on the term ‘amateur’ as presupposed by the late Professor Brand in his attempt to justify the ‘business’ of NCAA-sponsored Division I sports by decoupling the ‘participants from the enterprise’. Next, we examine a more rigorous definition of the term ‘amateur’ in order to show more clearly the difficulties posed by the current situation in college athletics. Additionally, our use of linguistic analysis exposes a flaw in the NCAA's recent move to amend by-law 12.02 in an attempt to avoid the charge of exploitation. Lastly, we put forth a new proposal for better dealing with the central issues swirling around the NCAA as it strives to formulate sound policy at this ‘tectonic’ juncture of players, fans, college programmes and academic integrity. 相似文献
100.
Andreea Butucescu Dragoș Iliescu 《International Journal of Selection & Assessment》2018,26(2-4):196-201
The present paper tackles a problem in the candidate reactions literature: the replicability of results that emerge when using in vivo and in vitro designs. The current study was designed to provide a conceptual replication of a dynamic model of change in fairness perceptions during the hiring process, using a different research design, different measures, and a different sample than the original paper. A sample of 209 participants in a simulated selection process reported their level of perceived fairness three times: before the testing, after the testing, and after the results were communicated. These results support the results of the original that the construction of fairness perceptions declines in a nonlinear way over time, with high initial levels of fairness perception corresponding to a lower rate of decline, and vice versa. Further analysis revealed no change in the individuals’ conceptualization of perceived fairness nor any shift in the respondents’ use of the measurement scale (i.e., no beta and gamma change were detected). 相似文献