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61.
The purpose of this research was to investigate a set of factors that may influence the perceived rate of an auditory event. In a paired-comparison task, subjects were presented with a set of music-like patterns that differed in their relative number of contour changes and in the magnitude of pitch skips (Experiment 1) as well as in the compatibility of rhythmic accent structure with the arrangement of pitch relations (Experiment 2). Results indicated that, relative to their standard referents, comparison melodies were judged to unfold more slowly when they displayed more changes in pitch direction, greater pitch distances, and an incompatible rhythmic accent structure. These findings are suggested to stern from animputed velocity hypo thesis, in which people overgeneralize certain invariant relations that typically occur between melodic and temporal accent structure within Western music.  相似文献   
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Nursery school and second-grade subjects were trained on an optional intradimensional/extradimensional shift task with (1) no overtraining, (2) overtraining on the initial problem only, (3) overtraining on the shift problem only, or (4) overtraining on both the initial and the shift problems. Predictions concerning the effects of age and training conditions on the type of solution and the breadth of learning for the shift problem were derived from selective attention theory. However, the results were not consistent with the one-look assumption of such models. Instead, a multiple-look theory in which the breadth of attention varies with task demands seems most tenable.  相似文献   
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The present paper reports on a case of a now-16-year-old girl who for most of her life suffered an extreme degree of social isolation and experiential deprivation. It summarizes her language acquisition which is occurring past the hypothesized “critical period” and the implications of this language development as related to hemispheric maturation and the development of lateralization. The results of a series of dichotic listening tests administered to her are included.  相似文献   
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Despite their increasing popularity, family‐friendly benefits are frequently underutilized. Drawing on literatures concerning social norms and pluralistic ignorance, this study examines the role of personal preference, group norm misalignment, and misperception of group norms on employees’ utilization of family‐friendly benefits. In 2 samples (154 firefighters and 440 nurses) across 3 data collection periods, we found that when employees’ preferences for benefit utilization were misaligned with the perceived group norm, they adjusted their family‐friendly benefit utilization in a manner congruent with the norm, even when that norm was misperceived. Further, we found that family‐friendly benefit utilization was negatively associated with work–family conflict. Together, our findings suggest that misperceived social norms regarding family‐friendly benefit utilization can lead to situations whereby employees do not utilize family‐friendly benefits because they mistakenly perceive utilization is not socially accepted and, as a result, experience higher work–family conflict.  相似文献   
67.
Research exploring the effects of labeling on maternal perceptions and behaviors was extended by simultaneously examining the cognitive and behavioral effects of prematurity stereotyping with both mothers of full‐term and premature infants, and by examining the effects of an information‐based intervention on the stereotyped responses of mothers of premature infants. An experimental design wherein mothers of both full‐term and premature infants were randomly assigned to interact with, and then rate, either a full‐term or premature infant who was described as either full‐term or premature was employed to test several hypotheses. Two hypotheses related to prematurity stereotyping received support: mothers showed more positive responses to infants labeled full‐term than to infants labeled premature, and mothers of full‐term infants exhibited more prematurity stereotyping than did mothers of premature infants. The hypothesis concerning gender effects also was supported, with mothers showing more positive responses to male infants than to female infants. In contrast to expectations, a brief cognitive intervention provided to some mothers of premature infants failed to reduce stereotyping, and, indeed, appeared to increase stereotyping. These results are compared with the results of previous studies, most of which did not include actual interactions between mothers and infants, and the implications of these results are considered. © 2000 Michigan Association for Infant Mental Health.  相似文献   
68.
A growing body of research has documented associations between adverse childhood environments and DNA methylation, highlighting epigenetic processes as potential mechanisms through which early external contexts influence health across the life course. The present study tested a complementary hypothesis: indicators of children's early internal, biological, and behavioral responses to stressful challenges may also be linked to stable patterns of DNA methylation later in life. Children's autonomic nervous system reactivity, temperament, and mental health symptoms were prospectively assessed from infancy through early childhood, and principal components analysis (PCA) was applied to derive composites of biological and behavioral reactivity. Buccal epithelial cells were collected from participants at 15 and 18 years of age. Findings revealed an association between early life biobehavioral inhibition/disinhibition and DNA methylation across many genes. Notably, reactive, inhibited children were found to have decreased DNA methylation of the DLX5 and IGF2 genes at both time points, as compared to non‐reactive, disinhibited children. Results of the present study are provisional but suggest that the gene's profile of DNA methylation may constitute a biomarker of normative or potentially pathological differences in reactivity. Overall, findings provide a foundation for future research to explore relations among epigenetic processes and differences in both individual‐level biobehavioral risk and qualities of the early, external childhood environment.  相似文献   
69.
Abstract

Research on the relationship of client hope to successful therapy outcome underlines the need to discover the processes and conditions when hope flourishes. Snyder’s Hope Theory has been applied to psychotherapy but client subjective experiences are needed to illuminate nuances in the process. The present study examined the trajectory of hope development in psychotherapy using interviews with 18 counseling clients, analyzed using grounded theory methodology. Findings were synthesized into a dynamic model titled hope as empowerment model (HEM) that shares features of Snyder’s Hope Theory. HEM introduces patterns of particular salience to psychotherapy. The compatibility of client preferences with therapist input raised faith in the process of counseling and, in turn, hope in a positive outcome. A number of conditions, including the flexibility of client role preferences and the directiveness of hope-inspiring therapeutic strategies, influenced the nature and strength of client hope. Implications for therapy and positive psychology are considered.  相似文献   
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