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We identify three aspects of scientific thinking beyond the control-of-variables strategy that we claim are essential for students to master as a foundation for skilled scientific thinking. The first is strategic and involves the ability to coordinate effects of multiple causal influences on an outcome. The second is a mature understanding of the epistemological foundations of science, recognizing scientific knowledge as constructed by humans rather than simply discovered in the world. The third is the ability to engage in skilled argumentation in the scientific domain, with an appreciation of argumentation as entailing the coordination of theory and evidence. We present new empirical data with respect to the first two of these competencies, supporting the claim that they are not well developed by early adolescence and warrant attention and provision of effective kinds of scaffolding.  相似文献   

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In training centers, the demonstration of high competence is essential and there is considerable emphasis placed on sporting achievement. Athlete burnout can be a consequence of such pressures and expectations. More information is needed regarding the social, environmental and individual differences in achievement-related characteristics which are relevant to the occurrence of burnout in this context.ObjectivesTo examine the relationships among the coach-created climate, perceived competence, achievement goals and burnout in elite adolescent-age athletes.DesignProspective six-month-follow-up.MethodsData were collected from a sample of 309 young French handball players participating in elite training centers. Cluster analysis and structural equation modeling procedures were employed to evaluate the hypotheses.ResultsComprised of differential scores on the dimensions of burnout, four distinct clusters were identified. Athletes in these cluster groups varied in perceptions of the motivational climate, goal orientations, and perceived competence. The structural model regarding the hypothesized relationships between perceived coach climate, perceived competence, achievement goals and athlete burnout, offered good fit to the data.ConclusionsFindings indicated that young talented athletes perceiving an ego-involving climate and emphasizing mastery avoidance goals at the beginning of the season had a higher risk of experiencing burnout symptoms at the season's end. In contrast, players perceiving a high task-involving climate and emphasizing mastery approach goals at the beginning of the season had lower burnout scores when the season concluded. Moreover, players with high feelings of competence, who also report higher scores on performance approach and avoidance goals, higher scores on mastery approach goals and lower scores on mastery avoidance goals, are less likely to experience burnout.  相似文献   

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Need for cognitive structure (NCS) could affect stereotypical thinking. In the present paper, it is suggested that the effect of NCS on stereotyping is moderated by the ability to achieve cognitive structure (AACS). NCS is defined as the preference to use cognitive structuring (versus piecemeal processing) as a way to achieve certainty. AACS is defined as the extent to which individuals are able to use information processing processes (cognitive structuring or piecemeal) consistent with their level of NCS. Two studies were conducted to examine this hypothesis. The first examined the effect of NCS and AACS on negative stereotypes held by Israelis towards Palestinians. The second examined the effect of NCS and AACS on perceived in‐group (psychology students) and out‐group (engineering students) variability. Results of both studies showed that for high‐AACS participants, higher NCS was associated with greater stereotypical thinking, whereas for low‐AACS participants, higher NCS was associated with less stereotyping. Copyright © 2002 John Wiley & Sons, Ltd.  相似文献   

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Cognitive research on the plasticity of fluid intelligence has demonstrated that older adults benefit markedly from guided practice in cognitive skills and problem-solving strategies. We examined to what degree older adults are capable by themselves of achieving similar practice gains, focusing on the fluid ability of figural relations. A sample of 72 healthy older adults was assigned randomly to three conditions: control, tutor-guided training, self-guided training. Training time and training materials were held constant for the two training conditions. Posttraining performances were analyzed using a transfer of training paradigm in terms of three indicators: correct responses, accuracy, and level of item difficulty. The training programs were effective and produced a significant but narrow band of within-ability transfer. However, there was no difference between the two training groups. Older adults were shown to be capable of producing gains by themselves that were comparable to those obtained following tutor-guided training in the nature of test-relevant cognitive skills.  相似文献   

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Goal pursuits are strongly influenced by romantic partners, and a partner's instrumentality to goals may be particularly important for goal pursuit. This study examined the effects of partner instrumentality on goal‐related effort, goal progress, goal commitment, and relationship satisfaction over time. It also examined whether relationship satisfaction moderated the effects of partner instrumentality on goal pursuit processes. Newly dating romantic partners (N = 59 couples) reported on their goals and relationship satisfaction at two assessments 3 months apart. Multilevel models indicated that partner instrumentality predicted increases in progress over time but only for those high in relationship satisfaction. Partner instrumentality also predicted increases in one's own relationship satisfaction but was unrelated to changes in the partner's satisfaction. These findings suggest that partner instrumentality benefits increased goal progress, particularly for those with satisfying relationships, and further increases relationship satisfaction.  相似文献   

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