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581.
Cole DA Tram JM Martin JM Hoffman KB Ruiz MD Jacquez FM Maschman TL 《Journal of abnormal psychology》2002,111(1):156-165
The authors address questions about the rate that depressive symptoms emerge, developmental and gender differences in this rate, and differences between parent and child estimates of this rate. In a 12-wave, cohort-sequential, longitudinal design, 1,570 children (Grades 4-11) and parents completed reports about children's depression. Cross-domain latent growth curve analysis revealed that (a) the rate of symptom growth varied with developmental level. (b) gender differences symptom growth preceded emergence of mean level gender differences, (c) the rate of symptom development varied with age, and (d) parent-child agreement about rate of symptom change was stronger than agreement about time-specific symptoms. The authors suggest that predictability of depressive symptoms varies with age and the dimension under investigation. 相似文献
582.
Intact perception of biological motion in the face of profound spatial deficits: Williams syndrome 总被引:8,自引:0,他引:8
Williams syndrome (WS) is a rare genetic disorder that results in profound spatial cognitive deficits. We examined whether individuals with WS have intact perception of biological motion, which requires global spatial integration of local motion signals into a unitary percept of a human form. Children with WS, normal mental-age-matched children, and normal adults viewed point-light-walker (PLW) displays portraying a human figure walking to the left or right. Children with WS were as good as or better than control children in their ability to judge the walker's direction, even when it was masked with dynamic noise that mimicked the local motion of the PLW lights. These results show that mechanisms underlying the perception of at least some kinds of biological motion are unimpaired in children with WS. They provide the first evidence of selective sparing of a specialized spatial system in individuals with a known genetic impairment. 相似文献
583.
584.
A Monte Carlo study compared 14 methods to test the statistical significance of the intervening variable effect. An intervening variable (mediator) transmits the effect of an independent variable to a dependent variable. The commonly used R. M. Baron and D. A. Kenny (1986) approach has low statistical power. Two methods based on the distribution of the product and 2 difference-in-coefficients methods have the most accurate Type I error rates and greatest statistical power except in 1 important case in which Type I error rates are too high. The best balance of Type I error and statistical power across all cases is the test of the joint significance of the two effects comprising the intervening variable effect. 相似文献
585.
Flank transparency is the perception of a colored transparent filter evoked by apparent-motion displays containing as few as two colors. Displays of flank transparency contain a random array of line segments placed on a uniform background. Small flanks are added to the line segments if the segments fall in the interior of a moving virtual shape, such as a virtual disk. This leads to the perception of a colored transparent disk with well-defined boundaries moving over the array of lines. Current qualitative and quantitative models of luminance and color conditions for perceptual transparency do not account for flank transparency as they require displays containing at least three different colors. 相似文献
586.
Young adults rated an old female witness (82 years) to be less competent but more honest than a young female witness (28 years). The effect of age stereotyping on believability was assessed indirectly by using a variant of Loftus' misinformation paradigm. Regression analysis showed that the more competent a witness was perceived as being, the more influential was the misinformation she provided. This was true, however, only when the witness was young because the relatively lower competence of the old witness was associated with nonsignificant misinformation effects. These data suggest that negative beliefs associating incompetence with old age may compromise the believability of older eyewitnesses. 相似文献
587.
Virtually perfect time sharing in dual-task performance: uncorking the central cognitive bottleneck 总被引:10,自引:0,他引:10
Schumacher EH Seymour TL Glass JM Fencsik DE Lauber EJ Kieras DE Meyer DE 《Psychological science》2001,12(2):101-108
A fundamental issue for psychological science concerns the extent to which people can simultaneously perform two perceptual-motor tasks. Some theorists have hypothesized that such dual-task performance is severely and persistently constrained by a central cognitive 'bottleneck,' whereas others have hypothesized that skilled procedural decision making and response selection for two or more tasks can proceed at the same time under adaptive executive control. The three experiments reported here support this latter hypothesis. Their results show that after relatively modest amounts of practice, at least some participants achieve virtually perfect time sharing in the dual-task performance of basic choice reaction tasks. The results also show that observed interference between tasks can be modulated by instructions about differential task priorities and personal preferences for daring (concurrent) or cautious (successive) scheduling of tasks. Given this outcome, future research should investigate exactly when and how such sophisticated skills in dual-task performance are acquired. 相似文献
588.
Bradley T. Erford Breann M. Erford Caren Hoffman Matthew R. Erford 《Counseling and values》2013,58(1):23-35
The authors reviewed publication patterns for articles published from 1990 to 2009 in the journal Counseling and Values. Article content and author demographic characteristics (i.e., sex of authors, nation of domicile, employment setting of authors, frequently contributing individuals and universities) were analyzed by 5‐year periods for trends over time. Specific attention was given to periodic changes in characteristics of research articles, including types of research designs, quantitative/qualitative approach, participant types, random assignment, sample size, intervention/nonintervention focus, and statistical procedures used. 相似文献
589.
RESUMENEl presente artículo reexamina la situación de los experimentos sobre conformidad de Asch. La situación experimental propuesta procura ser más representativa del modo en el que las presiones a la conformidad actúan fuera del laboratorio, definiendo tres condiciones que permiten distintas atribuciones. Los resultados apoyan las hipótesis de partida, destacando que la condición experimental que reproduce la situación de Asch permite menos inconformismo y menos confianza entre los disconformes que las otras dos, y entre éstas, la situación en la que debían postularse diferencias de prioridades en los evaluadores para explicar la propia disidencia era menos propicia para el inconformismo y la confianza en el criterio propio. Finalmente se discuten las implicaciones del experimento sobre las presiones a la conformidad y los procesos de atribución. 相似文献
590.
Jessica Seymour 《Reading Psychology》2013,34(4):627-649
Young adult (YA) dystopia, a genre which is led almost exclusively by young female protagonists, has gained much scholarly attention in recent years. While most of the academic discussions focus, rightly, on portrayals of female characters and gender performance, portrayals of masculinity have failed to elicit the same scholarly response. This article argues that YA dystopia has begun to model a more inclusive, broader approach to masculine behavior by portraying male characters in nurturing positions and forming care relationships with other characters in the narrative. These relationships form a “care circle” of dependent characters, which guides how male characters approach the performance of masculinity. 相似文献