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重复的画面布局能够促进观察者对目标项的搜索 (情境提示效应)。本研究采用双任务范式,分别在视觉搜索任务的学习阶段 (实验2a) 和测验阶段 (实验2b) 加入空间工作记忆任务, 并与单任务基线 (实验1)进行比较, 考察空间工作记忆负载对真实场景搜索中情境线索学习和情境提示效应表达的影响。结果发现: 空间负载会增大学习阶段的情境提示效应量, 同时削弱测验阶段的情境提示效应量, 而不影响情境线索的外显提取。由此可见, 真实场景中情境线索的学习和提示效应的表达均会受到有限的工作记忆资源的影响, 但情境线索提取的外显性不变。 相似文献
83.
When Is More Better? 总被引:2,自引:0,他引:2
Christopher K. Hsee Yuval Rottenstreich Zhixing Xiao 《Current directions in psychological science》2005,14(5):234-237
Abstract— We examine three determinants of the relationship between the magnitude of a stimulus and a person's subjective "value" of that stimulus: the process by which value is assessed (either by feeling or by calculation), the evaluability of the relevant magnitude variable (whether the desirability of a given level of that variable can be evaluated independently), and the mode of evaluation (whether stimuli are encountered and evaluated jointly or separately). Reliance on feeling, lack of evaluability, and separate evaluation lead to insensitivity to magnitude. An analysis invoking these factors provides a novel account for why people typically become less sensitive to changes in the magnitude of a stimulus as magnitude increases. 相似文献
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The present study tested a theoretical model advanced to understand the direct and mediated effects of social disadvantage, neglectful parenting, and punitive parenting in the developmental trajectory of aggressive and antisocial behavior in young school‐aged children. To test the model, families of 310 first grade children and 361 fifth grade children, participating in a universal prevention trial in high‐risk areas of a medium‐sized metropolitan area, provided data. Multi‐method and multi‐source indices of the four predictive constructs (Social Disadvantage, Denial of Care Neglect, Supervisory Neglect, and Punitive Discipline) were obtained at the time of enrollment. Multi‐method and multi‐source indices of the criterion construct (Aggression and Antisocial Behavior) were obtained at the time of enrollment and at a five year follow‐up. Based on structural equation modeling, the results established care neglect as a mediator of social disadvantage, and the importance of care neglect to both punitive discipline and antisocial outcomes in the first‐ and fifth‐grade cohorts. Supervisory neglect, however, was important in the antisocial outcome of the fifth‐grade cohort only. Overall, the results established the importance of distinguishing between two subtypes of neglect and the need to consider the role of discipline in concert with neglect when attempting to understand the impact of parenting on the development of antisocial behavior. Aggr. Behav. 30:187‐205, 2004. © 2004 Wiley‐Liss, Inc. 相似文献
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This cross‐sectional study explored whether participation, from early childhood, in play involving different cognitive abilities predicts visuo‐spatial achievement at ages 9, 12, and 15. Based on parental assessment, prior and present practice of spatial manipulation play was found to be consistently more frequent in boys than in girls; the reverse held true for verbal expression play. Whereas boys did not significantly outperform girls in three visuo‐spatial tasks, girls were superior on a contrastive vocabulary task. In general, with IQ statistically controlled, regression analyses showed that estimated past and present spatial manipulation play predicted both genders' proficiency in the water‐level task and Embedded Figures Test, as did mothers' socioeconomic status for Block Design performance. Contrastingly, a negative relation was established between spatial manipulation play and vocabulary scores. Similar to the activity‐ability association often identified among adults, the relation established here between spatial play experience and visuo‐spatial ability was only modest. Further research should aim at more definitive conclusions through augmenting both diversity in the visuo‐spatial skills measured and sophistication in play behaviour appraisal. Copyright © 2003 John Wiley & Sons, Ltd. 相似文献
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以往研究表明幼儿不能有效地整合利用路标等非几何信息,主要依赖几何信息进行再定向。即使能利用路标信息,也只是建立了靶物体与路标之间的直接联结,而不是用于空间再定向。本研究在矩形房间的四角设置颜色不同的档板作为路标线索,以平均年龄为3.5岁的幼儿为被试,结果发现,在几何信息与路标信息同时存在的情形下,幼儿可以整合利用空间中的几何信息与路标信息;即使只有路标信息,幼儿也能依赖路标信息结合左右方位感准确地再定向,这些结果表明幼儿能够充分利用空间中的路标信息以重新确定自己的方位。 相似文献
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Samantha Lundrigan Sarah Czarnomski Marc Wilson 《Journal of Investigative Psychology & Offender Profiling》2010,7(1):15-30
This study examines the crime patterns of 76 New Zealand serial sexual offenders in order to determine the extent to which offenders display locational consistency in their choice of crime locations. More specifically, the hypothesis was that there would be intraseries consistency in the distances travelled (spatial consistency) and the characteristics of the crime sites selected (environmental consistency) by serial sexual offenders. For spatial consistency to be tested, the distances travelled from home to offend and the criminal range for each offence series were analysed. Support was found for spatial consistency, and, in line with much overseas research, it was also found that the offenders typically did not travel very far from home to offend (median distance of 3 km). The environmental consistency measure was made up of various physical, temporal, and contextual variables that described the environmental characteristics of an offence. As hypothesised, it was found that offenders displayed intraseries environmental consistency in offence site selection beyond the level of that expected by chance. The implications of this both for understanding offender spatial decision making and for geographical profiling are discussed. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献