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61.
The present paper re-appraises connectionist attempts to explain how human cognitive development appears to progress through a series of sequential stages. Models of performance on the Piagetian balance scale task are the focus of attention. Limitations of these models are discussed and replications and extensions to the work are provided via the Cascade-Correlation algorithm. An application of multi-group latent class analysis for examining performance of the networks is described and these results reveal fundamental functional characteristics of the networks. Evidence is provided that strongly suggests that the networks are unable to acquire a mastery of torque and, although they do recover certain rules of operation that humans do, they also show a propensity to acquire rules never previously seen. 相似文献
62.
An experimental comparison between rival theories of rapid automatized naming performance and its relationship to reading 总被引:1,自引:0,他引:1
Powell D Stainthorp R Stuart M Garwood H Quinlan P 《Journal of experimental child psychology》2007,98(1):46-68
Two studies investigated the degree to which the relationship between rapid automatized naming (RAN) performance and reading development is driven by shared phonological processes. Study 1 assessed RAN, phonological awareness, and reading performance in 1010 7- to 10-year-olds. Results showed that RAN deficits occurred in the absence of phonological awareness deficits. These were accompanied by modest reading delays. In structural equation modeling, solutions where RAN was subsumed within a phonological processing factor did not provide a good fit to the data, suggesting that processes outside phonology may drive RAN performance and its association with reading. Study 2 investigated Kail's proposal that speed of processing underlies this relationship. Children with single RAN deficits showed slower speed of processing than did closely matched controls performing normally on RAN. However, regression analysis revealed that RAN made a unique contribution to reading even after accounting for processing speed. Theoretical implications are discussed. 相似文献
63.
Two experiments are reported which examine immediate serial recall for high- and low-frequency words. The words in each list were either repeatedly drawn from the same small pool of candidates (in the closed set conditions) or each word only ever occurred once during the experiment (in the open set conditions). The results consistently show an effect of word frequency but the effect of set size was only apparent for low-frequency words. It is argued that both frequency and set size effects reflect processes concerning the "clean-up" of degraded short-term memory traces. 相似文献
64.
The relationship between Loevinger's measure of ego development and the Wechsler Intelligence Scales subtest scores was investigated in 91 adolescent and young adult psychiatric inpatients. Correlations with Verbal IQ and verbal subtests in general were positive and significant. The correlation with the Comprehension subtest was the highest and remained significant when Full Scale IQ was partialled. Post-conformists obtained the highest mean scores on Picture Arrangement; however, there was no difference among the lower stages on this subtest. The results lend support to a social reasoning component of ego development. 相似文献
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66.
Psychometric properties of the Depressive Experiences Questionnaire for adolescents. 总被引:2,自引:0,他引:2
Items of the Depressive Experiences Questionnaire (DEQ) were rephrased and simplified to make them appropriate for younger subjects. This adolescent form of the DEQ (DEQ-A) was administered to high school students; a factor analysis revealed three factors that were highly congruent in female and male students and with the three factors of the original DEQ. Internal consistency as well as short- and long-term reliability for each of the 3 DEQ-A factors were at acceptable levels. Each factor correlated highly with its counterpart factor in the original DEQ, especially the Dependency and Self-Criticism factors. Correlations of the DEQ-A factors with other measures of depression essentially replicate relationships found between these measures of depression and the original DEQ for adults. The reliability, internal consistency, and validity of the DEQ-A indicate that it could be useful in studying depressive experiences in younger adolescents. 相似文献
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J R Weisz D M Quinlan P O'Neill P C O'Neill 《Journal of experimental child psychology》1978,25(2):326-336
In a study of the developmental significance of certain perceptual activities, the Rorschach and four structured tests of perception were administered to five groups of children at various CA, MA, and IQ levels. All three Rorschach measures were significantly related to MA, as were all four of the structured tests. The Childrens' Embedded Figures Test was the best predictor of MA; it accounted for 52% of the variance, while the six remaining measures yielded nonsignificant increments to a multiple regression equation. In a factor analysis the four structured tests loaded on one factor (51% of total variance), while the three Rorschach variables loaded on a second (17%); MA loaded on both (.669 and .447, respectively). In an additional finding, Zigler's “developmental” hypothesis that level of development and not IQ determines cognitive competence, received partial support from 13 of 14 statistical tests. 相似文献
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