人格特质、家庭环境对中学生道德判断能力的影响

以855名中学生为被试,采用路径分析等实证方法构建了个体差异变量人格特质、社会环境类因素家庭环境对道德判断能力影响的关系模型,揭示了人格特质、家庭环境各维度对中学生道德判断能力发展的直接和间接影响。当前中学生的人格特质对道德判断能力发展的总影响效应为正,家庭环境对道德判断能力发展的总影响效应为负。人格特质和家庭环境是一个整体,还应从综合的角度,用发展和系统的眼光看待其对道德判断能力的影响。     

On the provenance of judgments of conditional probability

In standard treatments of probability, is defined as the ratio of to , provided that . This account of conditional probability suggests a psychological question, namely, whether estimates of arise in the mind via implicit calculation of . We tested this hypothesis (Experiment 1) by presenting brief visual scenes composed of forms, and collecting estimates of relevant probabilities. Direct estimates of conditional probability were not well predicted by . Direct estimates were also closer to the objective probabilities defined by the stimuli, compared to estimates computed from the foregoing ratio. The hypothesis that arises from the ratio fared better (Experiment 2). In a third experiment, the same hypotheses were evaluated in the context of subjective estimates of the chance of future events.     

Ambivalence and decisional conflict as a cause of psychological discomfort: Feeling tense before jumping off the fence

It has long been assumed that people experience evaluative conflict or ambivalence as unpleasant. In three studies we provide direct evidence for the assumption that ambivalence is unpleasant, but only when one has to commit to one side of the issue. In those situations ambivalence will be related to outcome uncertainty and feelings of discomfort. We examined this prediction using both self-reports and physiological measures. In a first study we manipulated ambivalence and whether or not participants had to take a clear stand vis-a vis the attitudinal issue and choose a position for or against it. Results indicate ambivalence was only related to physiological arousal when a choice had to be made. Feeling ambivalent about an issue without the necessity to choose did not result in higher levels of arousal. A second study replicated and extended these findings by including a measure of subjective uncertainty about the decision. Results showed the same pattern as in Study 1, and indicate that the relation between ambivalence and arousal is mediated by uncertainty about decisional outcomes. In the third and final study these findings are corroborated using self-report measures; these indicated that ambivalence-induced discomfort is related to specific (negative) emotions.     

On doing better, experimental-style

Timothy Williamson devotes significant effort in his The Philosophy of Philosophy to arguing against skepticism about judgment. One might think that the recent “experimental philosophy” challenge to the philosophical practice of appealing to intuitions as evidence is a possible target of those arguments. However, this is not so. The structure of that challenge is radically dissimilar from that of traditional skeptical arguments, and the aims of the challenge are entirely congruent with the spirit of methodological improvement that Williamson himself exemplifies in the Afterword of his book.

The effect of speed limit credibility on drivers' speed choice

Credibility of speed limits is a key factor affecting drivers’ compliance with speed limits. Two experiments were conducted to investigate how credibility of speed limits affects judgments of appropriate speed. The first experiment aimed to establish speeds deemed appropriate by investigating Malaysians drivers’ judgments of the appropriate speed to drive based on photographs of roads with the speed limit sign erased. Drivers chose speeds which correlated with but were higher than the actual speed limits of the roads. Analysis of road characteristics suggested they based their decisions mainly on features of the road itself rather than of the roadside. The second experiment tested the impact of credibility of speed limit information on the speed drivers judged appropriate. Drivers judged the appropriate speed to drive for the same photographs as in Experiment 1 with speed limit information provided. Four conditions were included: two conditions where the speed limit posted was 10% higher or 10% lower than the appropriate speed established in Experiment 1 (credible speed limits), and two conditions where the posted speed limit was 50% higher or 50% lower than the appropriate speed (non-credible speed limits). Posted speed limits did affect drivers’ judgments about the appropriate speed to drive. Credibility also influenced judgments whereby drivers selected appropriate speeds consistent with the speed limits for the 10% lower condition, but not for speed limits that deviated highly from the appropriate speed judged in Experiment 1.     

Attention and attribute overlap in preferential choice

Attributes that are common, or overlapping, across alternatives in two-alternative forced preferential choice tasks are often non-diagnostic. In many settings, attending to and evaluating these attributes does not help the decision maker determine which of the available alternatives is the most desirable. For this reason, many existing behavioural theories propose that decision makers ignore common attributes while deliberating. Across six experiments, we find that decision makers do direct their attention selectively and ignore attributes that are not present in or associated with either of the available alternatives. However, they are as likely to attend to common attributes as they are to attend to attributes that are unique to a single alternative. These results suggest the need for novel theories of attention in preferential choice.     

Inferring accuracy for judges and items: Choice of unit of analysis reverses the conclusions

This study explores the relationship between the precision and the accuracy of forecasts using either judge or item as the unit of analysis. Participants in five experiments answered general-knowledge questions by indicating intervals that were likely to include the correct answer. Results indicate that the precision of an interval estimate is not a straightforward cue to the likelihood that such an interval includes the truth (hit rate). Whereas judges who state more precise estimates (i.e. who provide narrower interval estimates) have lower hit rates, questions for which the average judgment is more precise have higher hit rates. Thus, the relation between precision and accuracy depends on whether one ‘slices’ the data by judge or by question. We offer an explanation for this seemingly paradoxical effect and implement it as a computer simulation to demonstrate its validity. © 1997 John Wiley & Sons, Ltd.     

自恋型领导对团队创造力形成过程的多视角研究

领导自恋是组织中的普遍现象, 自恋型领导是否能有效地整合团队知识形成创新是管理者不可回避的问题。在回顾已有研究基础上, 采用聚合观、过程观和社会网络三种视角, 全面地厘清自恋型领导对团队创造力的影响。其中, 聚合观强调个体创造力对形成团队创造力的重要作用, 过程观强调团队成员之间的交互作用在团队创造力形成过程中不可或缺, 而社会网络视角注重团队成员的相对位置和内外关系。三种视角相互补充, 明确了自恋型领导和团队创造力之间关系的内在机制以及边界条件。研究结论将为存在自恋型领导的团队干预策略提供参考, 有助于为管理者提高自恋型领导对团队作用的有效性提供借鉴。     

Effects of position of speed limit signs and the presence of speed camera on Malaysian drivers’ speed choice: An eye-tracking study

Speeding is one of the most common driving violations in the world including in Malaysia. Reducing speed-related fatalities is one of Malaysia’s strategies to improve road safety. The current study aimed to investigate the effect of speed limit sign positioning and the presence of speed camera on drivers’ judgments about the appropriate speed to drive and their associated eye movements. Twenty participants took part in the study, and thirty two images of roads with a range of actual speed limits were presented. In each picture the displayed speed limit was edited to 30% lower than what participants think is appropriate on average. Speed limit signs were either presented on the road or on the speed limit sign boards at the road sides, and a speed camera sign was either present or not. Drivers judged a lower appropriate speed to drive when the camera sign was present than absent, while there was a wider spread of differences between judged and displayed speed when the speed limit sign was presented on the board than on the road. Drivers were quicker in fixating and looked more at the general area in which the speed limit sign appeared. Therefore drivers’ visual attention across scenes may be manipulated by the sign positions. These low-cost interventions could be useful in managing speed choice in Malaysia.