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A D Pick C F Palmer B L Hennessy M G Unze R K Jones R M Richardson 《Journal of experimental child psychology》1988,45(1):28-51
Children's perception of scale and contour in melodies was investigated in five studies. Experimental tasks included judging transposed renditions of melodies (Studies 1 and 3), discriminating between transposed renditions of a melody (Study 2), judging contour-preserving transformations of melodies (Study 4), and judging similarity to a familiar target melody of transformations preserving rhythm or rhythm and contour (Study 5). The first and second studies showed that young children detect key transposition changes even in familiar melodies and they perceive similarity over key transpositions even in unfamiliar melodies. Young children also are sensitive to melodic contour over transformations that preserve it (Study 5), yet they distinguish spontaneously between melodies with the same contour and different intervals (Study 4). The key distance effect reported in the literature did not occur in the tasks of this investigation (Studies 1 and 3), and it may be apparent only for melodies shorter or more impoverished than those used here. 相似文献
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R Kimchi S E Palmer 《Journal of experimental psychology. Human perception and performance》1985,11(6):673-688
We used a constrained classification task to examine the perceptual relations between global and local levels in hierarchical patterns composed of many, relatively small elements and those composed of few, relatively large elements. In Experiments 1 and 3 subjects were asked to make classifications based on "form" or "texture." In Experiments 2 and 4 they were asked to classify according to the "shape" of the configuration or the elements. The results indicate that configural and elemental levels are perceptually separable for many-element patterns when processed as form and texture: Subjects could attend to either level without being affected by variation along the irrelevant dimension. However, when the same many-element patterns were processed for global and local shape, subjects could not selectively attend to either level. For few-element patterns, global configuration and local elements appeared to be perceptually integral dimensions. These results are relevant to two issues: the global precedence hypothesis and the explanations of integral and separable dimensions. 相似文献
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Children (mean age = 103 months) were provided with information about the relative abilities of two stimulus children at a specific activity. They then were asked to predict which child would likely be superior at a second highly related activity. The two stimulus children were either same sex or opposite sex, and the activities in each pair were sex typed as male or female. The design was a 2 (sex of subject) × 2 (age of subject) × 4 (stimulus pair—MM, FF, MF, FM) × 2 (sex type of activities) mixed design, with sex of subject and age of subject as the between-subjects factors. Each child responded to 32 instances, representing four replications of eight possible combinations. The dependent variable was the child's choice of the initially superior child or initially inferior child as better at the second activity. The prediction was that children would be less likely to assume that superiority could generalize to a second activity if the initial superiority contradicted sexstereotyped expectations. This result would indicate that sex stereotypes interfere with inferences processes, supporting a scehmatic model of sex stereotyping. The results were consistent with the prediction. Compared to a baseline condition in which sex stereotypes were not relevant, children were less likely to choose the initially superior child when the sex stereotype had been violated, and more likely to select that child when it had been confirmed. 相似文献
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The purpose of this study was to account for children's performance in an educational setting by evaluating individual difference factors and the subjects' differential responsivities to social reinforcement The child subjects performed on Porteus mazes, which were viewed as complex, stress-inducing tasks They were differentiated in terms of sex and test anxiety levels. Each child received the same number of noncontingent reinforcements, which consisted of either verbal praise or verbal criticism or no feedback The data yielded significant triple interaction effects among anxiety, sex, and social reinforcement for the time and error scores on the mazes The data were discussed in terms of their implications for remediating performance in educational settings and their support for the theoretical conception of test anxiety as a chronic drive state The authors concluded that the extrinsic, motivating effects of verbal reinforcement can be reasonably characterized, but only if one attends to individual differences among those subjects being reinforced. 相似文献
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It has been observed that the number of different ways in which a graph withp points can be labelled isp! divided by the number of symmetries, and that this holds regardless of the species of structure at hand. In this note, a simple group-theoretic proof is provided.This work was supported by Grant MH 10834 from the National Institute of Mental Health. 相似文献