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1.
The focus of this paper is mechanisms that may be responsible for intellectual and developmental differences in the cognitive strategies of typical and atypical children, including those with mental retardation. The discussion of these mechanisms is based on behavioral experiments on external memory strategies and on a set of neural network models designed for these tasks. Following the review of the external memory research, the rationale for using neural network models, how they have been used in other research, and their specific application to intellectual and developmental differences in external memory, including the results of several simulations, are reviewed. This is followed by a discussion of the mechanisms of intellectual differences and developmental change included in the models and some challenges for this type of modeling. Neural network modeling is discussed as an asset to research on cognitive development. 相似文献
2.
The locus of facilitation due to rehearsal was investigated in three experiments with first-grade children. Several different overt acquisition strategies in a four-item sequential memory task were compared, including ordered repetition, item repetition, item labeling, and free strategy conditions. Experiment 1 showed that ordered repetition yields most of the facilitation due to rehearsal, and Experiment 2 demonstrated that the facilitation cannot be attributed to spaced practice. Experiment 3 showed that retrieval practice during study may improve memory performance but that the facilitation due to ordered repetition and retrieval practice is relatively short term. Mere repetition and labeling were not found to be significant component processes of rehearsal in any of the experiments. These results were discussed in terms of their relevance to rehearsal training studies and a differentiation between maintenance and elaborative rehearsal. 相似文献
3.
Burgess B. Edwin Mrug Sylvie Bray Leigh Ann Leon Kevin J. Troxler Robert Bradley 《Journal of religion and health》2021,60(3):1818-1831
Journal of Religion and Health - Religiosity and spirituality predict lower alcohol and other substance use in community samples of adolescents and adults. However, the roles of religiosity and... 相似文献
4.
5.
Steven R. Bray Mark R. Beauchamp Mark A. Eys Albert V. Carron 《Journal of Applied Sport Psychology》2013,25(4):306-318
The purpose of the present study was to investigate the need for role clarity as a potential moderator of the role ambiguity–satisfaction relationship among interdependent sport athletes. Competitive “Junior B” ice hockey players (N = 112) representing eight teams completed the Role Ambiguity Scale, five subscales of the Athlete Satisfaction Questionnaire, and a measure of need for role clarity at approximately the mid-point of their competitive season. Correlational findings indicated that greater role ambiguity was associated with lower athlete satisfaction. However, consistent with the moderator hypothesis, the relationships between role ambiguity and various manifestations of satisfaction were only evident for those athletes who had a higher need for role clarity. Implications of the results are discussed and several avenues for application and future research are suggested. 相似文献
6.
A computer program, which produces restricted randomizations of numbers as an aid in counterbalancing large experimental designs, is described. The input to the program is a series of specifications for sampling a pool of random numbers. For example, it might be specified that each number in the pool be selected at least once and not more than twice in each replication of the experiment. The output would be a restricted randomization meeting these specifications. The program has been used in several memory experiments and could be used in other experimental paradigms in learning and perception. 相似文献
7.
Research implies that athletes’ perceptions of how coaches view their abilities (relation-inferred self-efficacy [RISE]) stems from verbal and nonverbal interactions. We investigated relationships between youth athletes’ perceptions of RISE-relevant coaching behavior, RISE, and self-efficacy. A RISE-relevant behavior measure was developed in Phase 1. In Phase 2, youth athletes (N = 277) completed questionnaires designed to measure the target variables. All of the variables were positively correlated, and RISE was found to mediate the relationship between coaching behavior and self-efficacy. 相似文献
8.
Emily E. Bray Mary D. Sammel Robert M. Seyfarth James A. Serpell Dorothy L. Cheney 《Animal cognition》2017,20(5):923-939
It is often assumed that measures of temperament within individuals are more correlated to one another than to measures of problem solving. However, the exact relationship between temperament and problem-solving tasks remains unclear because large-scale studies have typically focused on each independently. To explore this relationship, we tested 119 prospective adolescent guide dogs on a battery of 11 temperament and problem-solving tasks. We then summarized the data using both confirmatory factor analysis and exploratory principal components analysis. Results of confirmatory analysis revealed that a priori separation of tests as measuring either temperament or problem solving led to weak results, poor model fit, some construct validity, and no predictive validity. In contrast, results of exploratory analysis were best summarized by principal components that mixed temperament and problem-solving traits. These components had both construct and predictive validity (i.e., association with success in the guide dog training program). We conclude that there is complex interplay between tasks of “temperament” and “problem solving” and that the study of both together will be more informative than approaches that consider either in isolation. 相似文献
9.
The purpose of this study was to investigate the performance of junior high school learning disabled students on standard and modified administrations of selected subtests from the Iowa Tests of Basic Skills. No significant differences were noted for correlations between types of administration and teachers' ratings on any of the subtest comparisons. Grade placements for Vocabulary and Reading Comprehension using the modified administration were significantly higher than those using the standard administration and more closely aligned with teachers' ratings. Math Concept and Math Problem-solving grade-placement scores did not differ by type of administration; teachers' ratings were higher than those produced by either testing format. 相似文献
10.
Wayne Messner Dennis Bray Guy C. Germain Nico Stehr 《Knowledge, Technology, and Policy》1992,5(4):82-100
This article is a critical, sociological examination of policy advice aimed at reducing or limiting CO2 emissions. The policy proposals are taken from various sources directed to governmental or economic institutions and targeted
to cope with the natural and social consequences of global warming. We ask, based on a sociological understanding of features
constitutive of practical social science knowledge, how feasible and practical are various policy proposals. Our assessment,
in turn, is based on a theoretical model of the characteristics ofpractical scientific knowledge, which is discussed in conjunction with the current field of climate change knowledge.
He is currently the editor of theCanadian Journal of Sociology.
This article is a revised version of a paper presented at the 27th Annual Meeting of the Canadian Sociology and Anthropology
Association, Learned Societies Conference, Charlottetown, Prince Edward Island, Canada, June 1992. 相似文献