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581.
Sometimes people believe that a run of similar independent events will be broken (belief in thegambler’s fallacy) but, other times, that such a run will continue (belief in the hot hand). Both of these opposite inductions have been explained
as being due to belief in a law of small numbers. We argue that one factor that distinguishes these phenomena is people’s
beliefs about the randomness of the underlying process generating the events. We gave participants information about a streak
of events but varied the scenarios in such a way that the mechanism generating the events should vary in how random the participants
would judge it to be. A manipulation check confirmed our assumptions about the scenarios. We found that with less random scenarios,
the participants were more likely to continue a streak. 相似文献
582.
Open-ended questions were used to obtain narrative accounts of what makes a girl (or a boy) popular (or unpopular) at school. The participants were 489 African American students in Grades 1, 4, and 7 recruited from high-risk inner-city neighborhoods. Appearance and self-presentation were mentioned the most in Grades 4 and 7. Prosocial characteristics were especially relevant for popularity in Grade 1, as were studentship in Grade 4 and peer affiliations in Grade 7. Deviant behaviors were nominated for popularity more frequently in Grade 7 than in the younger grades and more for boys' popularity than for girls'. The mean deviance scores were negative in all grade levels, suggesting a normative peer culture. Male groups in Grade 7 showed significant homophily in reports of deviant behaviors. 相似文献
583.
In a sample of low-income families (N = 239), structural equation models assessed predictors of fathers' involvement with preschool-aged children in instrumental, behavioral, and emotional realms. Results suggest that parental conflict has a strong negative relation with father involvement. Fathers' human capital characteristics, healthy psychosocial functioning, and past stability in family relationships all predicted greater father involvement directly and/or indirectly through parental conflict. Numerous differences emerged in the predictive models between resident and nonresident fathers, although few differences were statistically significant. Results suggest that policy efforts aimed at enhancing fathers' responsible parenting should focus both on increasing fathers' human and social capital and on supporting positive family processes. 相似文献
584.
Treatment choice for PTSD 总被引:4,自引:0,他引:4
The impetus for seeking help for assault-related difficulties often rests upon the victims themselves. Yet, we know very little about what factors influence a woman's decision to seek a particular kind of help after an assault. To learn more about these factors, data from 273 women with varying degrees of trauma history and subsequent PTSD symptoms were collected. All participants read a standard, "if this happened to you, what would you do" scenario describing a traumatic event and subsequent trauma-related psychiatric symptoms. Participants were given the same trauma scenario (i.e., sexual assault) and three treatment options to choose from: sertraline (SER), prolonged exposure (PE), or no treatment. Ratings of treatment credibility, personal reactions to treatment options, and treatment choice were examined. Women were more likely to choose PE than SER for the treatment of chronic PTSD. Perceived credibility of the treatment and personal reactions coincided with women's choices. By better understanding who would choose which treatments for PTSD and why, we will improve our ability to tailor how we approach discussing treatment options with these women. 相似文献
585.
One method for defining pathways through which children develop severe conduct problems is based on the presence or absence of callous-unemotional (CU) traits. This study investigated potential differences between nonreferred children (mean age = 12.36 years; SD = 1.73) with and without CU traits (n = 98). Children with conduct problems, irrespective of the presence of CU traits, tended to have significant problems in emotional and behavioral regulation. In contrast, CU traits, irespective of the presence of conduct problems, were associated with a lack of behavioral inhibition. Hostile attributional biases were associated with conduct problems but only in boys and in the absence of CU traits. These findings suggest that the processes underlying deficits in emotional and behavioral regulation in children with conduct problems may be different for children with CU traits. 相似文献
586.
Mondloch CJ Geldart S Maurer D de Schonen S 《Journal of experimental child psychology》2003,84(1):20-40
The present study was designed to trace the normal development of local and global processing of hierarchical visual forms. We presented pairs of hierarchical shapes to children and adults and asked them to indicate whether the two shapes were the same or different at either the global or the local level. In Experiments 1 (6-year-olds, 10-year-olds, adults) and 2 (10-year-olds, 14-year-olds, adults), we presented stimuli centrally. All age groups responded faster on global trials than local trials (global precedence effect), but the bias was stronger in children and diminished to the adult level between 10 and 14 years of age. In Experiment 3 (10-year-olds, 14-year-olds, adults), we presented stimuli in the left or right visual field so that they were transmitted first to the contralateral hemisphere. All age groups responded faster on local trials when stimuli were presented in the right visual field (left hemisphere); reaction times on global trials were independent of visual field. The results of Experiment 3 suggest that by 10 years of age the hemispheres have adult-like specialization for the processing of hierarchical shapes, at least when attention is directed to the global versus local level. Nevertheless, their greater bias in Experiments 1 and 2 suggests that 10-year-olds are less able than adults to modulate attention to the output from local versus global channels-perhaps because they are less able to ignore distractors and perhaps because the cerebral hemispheres are less able to engage in parallel processing. 相似文献
587.
Mondloch CJ Geldart S Maurer D Le Grand R 《Journal of experimental child psychology》2003,86(1):67-84
Expertise in processing differences among faces in the spacing among facial features (second-order relations) is slower to develop than expertise in processing the shape of individual features or the shape of the external contour. To determine the impact of the slow development of sensitivity to second-order relations on various face-processing skills, we developed five computerized tasks that require matching faces on the basis of identity (with changed facial expression or head orientation), facial expression, gaze direction, and sound being spoken. In Experiment 1, we evaluated the influence of second-order relations on performance on each task by presenting them to adults (N=48) who viewed the faces either upright or inverted. Previous studies have shown that inversion has a larger effect on tasks that require processing the spacing among features than it does on tasks that can be solved by processing the shape of individual features. Adults showed an inversion effect for only one task: matching facial identity when there was a change in head orientation. In Experiment 2, we administered the same tasks to children aged 6, 8, and 10 years (N=72). Compared to adults, 6-year-olds made more errors on every task and 8-year-olds made more errors on three of the five tasks: matching direction of gaze and the two facial identity tasks. Ten-year-olds made more errors than adults on only one task: matching facial identity when there was a change in head orientation (e.g., from frontal to tilted up). Together, the results indicate that the slow development of sensitivity to second-order relations causes children to be especially poor at recognizing the identity of a face when it is seen in a new orientation. 相似文献
588.
589.
The authors randomly assigned 69 undergraduates to 1 of 2 perceptual priming conditions involving 80-ms flash words presented on a computer screen to activate information processing outside of conscious awareness. In the high-prime condition, the authors exposed participants to stereotype words associated with the Yellow Peril view of Asian Americans. The authors exposed participants in a low-prime condition to neutral words. All participants then read a vignette and evaluated its protagonist on several social dimensions. Results indicated that the priming procedure effectively biased participant evaluation of the vignette target, but only on items closely linked to Asian Americans. Contrary to predictions, however, participants in the high-prime group rated the target less Asian than did their low-prime group counterparts, an apparent reversal of the expected priming effect. The authors discussed theoretical implications. 相似文献
590.
Green CS Bavelier D 《Journal of experimental psychology. Human perception and performance》2006,32(6):1465-1478
The authors investigated the effect of action gaming on the spatial distribution of attention. The authors used the flanker compatibility effect to separately assess center and peripheral attentional resources in gamers versus nongamers. Gamers exhibited an enhancement in attentional resources compared with nongamers, not only in the periphery but also in central vision. The authors then used a target localization task to unambiguously establish that gaming enhances the spatial distribution of visual attention over a wide field of view. Gamers were more accurate than nongamers at all eccentricities tested, and the advantage held even when a concurrent center task was added, ruling out a trade-off between central and peripheral attention. By establishing the causal role of gaming through training studies, the authors demonstrate that action gaming enhances visuospatial attention throughout the visual field. 相似文献