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51.
Andreas Glckner Tilmann Betsch 《Organizational behavior and human decision processes》2008,107(1):75-95
Brandstätter, Gigerenzer, and Hertwig [Brandstätter, E., Gigerenzer, G., & Hertwig, R. (2006). The Priority Heuristic: Making choices without trade-offs. Psychological Review, 113(2), 409–432] put forward the priority heuristic (PH) as a fast and frugal heuristic for decisions under risk. According to the PH, individuals do not make trade-offs between gains and probabilities, as proposed by expected utility models such as cumulative prospect theory (CPT), but use information in a non-compensatory manner and ignore information. We conducted three studies to test the PH empirically by analyzing individual choice patterns, decision times and information search parameters in diagnostic decision tasks. Results on all three dependent variables conflict with the predictions of the PH and can be better explained by the CPT. The predictive accuracy of the PH was high for decision tasks in which the predictions align with the predictions of the CPT but very low for decision tasks in which this was not the case. The findings indicate that earlier results supporting the PH might have been caused by the selection of decision tasks that were not diagnostic for the PH as compared to CPT. 相似文献
52.
The current study examined whether proactive and reactive aggression were associated with the risk for initiation of substance
use from fourth to ninth grade in a sample of 126 aggressive children (66% male). In addition, the study examined whether
these functions of aggression increased risk for initiation via peer delinquency and peer rejection. Proactive aggression
was marginally significantly directly associated with risk for initiation of alcohol use and indirectly associated with risk
for initiation of marijuana and tobacco use through peer delinquency. Reactive aggression was associated with increased risk
for initiation of tobacco and marijuana use through a complex chain that included both peer rejection and peer delinquency.
However, high levels of reactive aggression that did not lead to peer rejection were negatively associated with risk for initiation
of tobacco and marijuana use. Implications for intervention are discussed.
相似文献
Paula J. FiteEmail: Email: |
53.
We investigated the role of attention in pairing superimposed visual features. When moving dots alternate in color and in motion direction, reports of the perceived color and motion reveal an asynchrony: the most accurate reports occur when the motion change precedes the associated color change by approximately 100ms [Moutoussis, K., & Zeki, S. (1997). A direct demonstration of perceptual asynchrony in vision. Proceedings of the Royal Society of London B, 264, 393-399]. This feature binding asynchrony was probed by manipulating endogenous and exogenous attention. First, endogenous attention was manipulated by changing which feature dimension observers were instructed to attend to first. This yielded little effect on the asynchrony. Second, exogenous attention was manipulated by briefly presenting a ring around the target, cueing the report of the color and motion seen within the ring. This reduced or eliminated the apparent latency difference between color and motion. Accuracy was best predicted by timing of each feature relative to the cue rather than the timing of the two features relative to each other, suggesting independent attentional access to the two features with an exogenous attention cue. The timing of attentional cueing affected feature pairing reports as much as the timing of the features themselves. 相似文献
54.
多感觉整合的时间再校准 总被引:1,自引:0,他引:1
跨通道刺激的时间同步性是多感觉整合的必要条件, 但是由于刺激物理传导与神经传导的差异, 它们在时间上并非完全匹配。时间再校准指大脑能够适应跨通道刺激间很短的时间延迟的现象, 反映了多感觉整合在时间维度上的可塑性, 表现为适应相继呈现的跨通道刺激后, 主观同时点向时间延迟方向的偏移。本文主要介绍了时间再校准的通道效应与潜在机制, 其初始加工阶段, 它与刺激内容加工的关系及主要的影响因素。今后的研究应当进一步探索时间再校准能否发生于早期加工阶段, 检验其认知过程是否具有双向性, 探讨空间选择性注意的作用, 并结合神经机制的研究, 从综合的视角进行更完善的理论建构。 相似文献
55.
Martin Johnson 《Political psychology》2004,25(5):679-702
Political scientists have increasingly found that the time respondents require to answer survey questions is a useful measure of the strength of political attitudes. However, questions remain about the collection, use, and interpretation of response time data— particularly latencies collected during telephone interviews, far removed from the controlled environment of a laboratory setting. This paper uses a theoretical model of question response to decompose survey response time data into three hypothesized elements—components of response time attributable to baseline individual differences, systematic question effects, and the accessibility of the attitudes being targeted. These findings have implications for the study of political attitudes and other mental constructs, as well as practical implications for public opinion survey researchers using response time data. 相似文献
56.
Steven J. Sherman Laurie Chassin Dong-Chul Seo 《Journal of experimental social psychology》2009,45(2):313-319
This study examined the intergenerational transmission of implicit and explicit attitudes toward smoking, as well as the role of these attitudes in adolescents’ smoking initiation. There was evidence of intergenerational transmission of implicit attitudes. Mothers who had more positive implicit attitudes had children with more positive implicit attitudes. In turn, these positive implicit attitudes of adolescents predicted their smoking initiation 18-months later. Moreover, these effects were obtained above and beyond the effects of explicit attitudes. These findings provide the first evidence that the intergenerational transmission of implicit cognition may play a role in the intergenerational transmission of an addictive behavior. 相似文献
57.
This study examined compliance parameters for 53 clinic-referred and nonreferred children, ages 2 to 10 years. Although there were significant differences between the referred and nonreferred samples for percentage compliance, there were no significant differences between the referred and nonreferred samples in terms of initiation or completion latencies. The average initiation latency was 5.92 s, whereas 98% of the sample initiated compliance within 14 s. Younger children did take longer to complete tasks. Results suggest that the use of short latencies in defining noncompliance may represent overly conservative criteria. 相似文献
58.
以视觉呈现时距信号,采用时间泛化范式要求被试判断5种探测时距(1~4秒)与标准时距(2秒)之间的长度关系,并记录11名大学生在时距判断过程中的事件相关电位(ERP),继而探讨不同探测时距条件下CNV波幅特征变化以及左、右侧额叶在时距判断中的功能。结果发现:1秒、1.42秒以及2秒条件下,CNV波幅峰出现在探测时距结束点,2.84秒、4秒条件下,CNV波幅峰出现在大约2秒处(标准时距);CNV负性翻转至基线位置在1秒、1.42秒、2秒条件下随探测时距的增长而延后,而在2.84秒、4秒两种条件下无显著差异;左、右侧额叶处诱发的CNV波幅峰潜时在2.84秒、4秒探测时距条件下无显著差异,且均在2秒附近。这说明在1秒以上视时距判断中CNV波幅峰反映了基于记忆中标准时距的时距判断的决策过程;CNV负性翻转至基线位置与时距判断的决策阶段存在共变关系,CNV负性翻转至基线位置相当于负荷解脱过程中的一个由负翻正的转折点;左、右侧额叶均参与了时距脉冲累加过程。 相似文献
59.
The initiation of gait from a standing posture by 6 subjects, who took controlled-length steps, was analyzed. Using an inverted-pendulum model, we found that the duration of gait initiation was independent of gait velocity. This finding suggests that subjects' biomechanical constants are the determining factors for initiating movement. Both the instantaneous velocity of the center of gravity at the end of the first step (resulting in the propulsive forces measured on the ground) and the steady-state velocity (resulting in the step length and frequency) varied with step length, whereas step frequency did not. But step frequency and progression velocity were linked, for step frequency always increased in parallel with increased progression velocity. We interpret the correlation between velocity and frequency variations to be a peripheral expression of the posturodynamic control of the step parameters by the progression forces. 相似文献
60.
Austin S. Baldwin Scott A. Baldwin Valerie G. Loehr Julie L. Kangas Georita M. Frierson 《Psychology & health》2013,28(12):1424-1441
Satisfaction with physical activity is known to be an important factor in physical activity maintenance, but the factors that influence satisfaction are not well understood. The purpose of this study was to elucidate how ongoing experiences with recently initiated physical activity are associated with satisfaction. Participants (n?=?116) included insufficiently active volunteers who initiated a self-directed physical activity regimen and completed daily diaries about their experiences for 28?days. We used multilevel models to examine the associations between experiences with physical activity and satisfaction. Significant between-person effects demonstrated that people reporting higher average levels of positive experiences and lower levels of thinking about the negative aspects of exercise were more likely to report higher levels of satisfaction (ps?<?.05). Positive experiences and perceived progress toward goals had significant within-person effects (ps?<?.01), suggesting that day-to-day fluctuations in these experiences were associated with changes in satisfaction. These findings elucidate a process through which people may determine their satisfaction with physical activity. 相似文献