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91.
Two groups of retarded adolescents, differing from each other primarily in IQ (and mental age), were compared with two groups of nonretarded children, differing from each other in chronological age (and mental age), on a modified tic-tac-toe game. The mental ages of the retarded and nonretarded groups were approximately the same. It was found that the slope of performance improvement with increasing maturational level was the same for both subject groups, but the performance of the retarded adolescents was approximately 1.5 years behind mental age expectations, as derived from the performance levels of the normal children. These findings support previous suggestions of a major retardate deficit in tasks requiring logical foresight. 相似文献
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ObjectivesTenenbaum's effort-related model has proposed that as physical workload increases, attention allocation shifts from dissociation to association. Owing to equivocal research results regarding gender and experience differences in attention and perceived exertion reports, this study was designed to examine whether attention allocation varied as a function of perceived effort manipulated by physical workload, and whether gender and experience differences would emerge in regards to attention use.DesignA within-subjects study design was employed using measures of attention, perceived exertion, heart rate, and power output.MethodsSixty high school and collegiate rowers were recruited, and were divided into 30 experienced (15 men and 15 women) and 30 novice rowers (15 men and 15 women). After establishing a maximal power output value for each rower using the rowing ergometer, participants were asked to row at 30%, 50%, and 75% relative workload intensities for 10 min in a counterbalanced order. At each minute, measures of heart rate, attention, and perceived exertion were taken. Participants also recorded their thoughts during the session after each task.ResultsResults demonstrated that attention significantly (p<.01) shifted from dissociation to association as workload increased. The workload increase also resulted in elevated perceived exertion and heart rate. Similarly, thought classifications validated attention shift as workload increased. Experience and gender were not found to be discriminatory factors for attention allocation.ConclusionsAttention shifted from dissociation to association as workload increased; as environmental demands increase, physiological sensations dominate the individual's attention. Attention is forced to shift internally and narrow (i.e., associative) to adapt to these demands. During low or moderate workload, attention can be more flexible and voluntarily shift between associative and dissociative modes because the task demands are not overwhelming. 相似文献
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Inbal Sonia Perry Graig M. Chow Gershon Tenenbaum Yaacov J. Katz 《Journal of Applied Sport Psychology》2018,30(4):402-420
Two sequential studies were conducted to test the notion that preperformance routines (PPRs) positively affect motor performance. The first study consisted of observations and interviews with 115 elite athletes to explore crucial time periods and body positions inherent in expert preparation for performing a golf putt, tennis serve, volleyball serve, and basketball free throw. In the second study, we taught these features of PPR to novice performers: 240 male and female high school students were assigned to two motor-mental PPR, and one control condition. Findings revealed that PPR enhances motor performance and can be implemented at an early stage of learning. 相似文献
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Jin Yong Shin Gershon Berkson Kathleen Crittenden 《Journal of multicultural counseling and development》2000,28(3):144-159
Korean American immigrants rated the helpfulness of various sources of social support in addressing 3 psychological problems. Traditionalism was not related to perceived helpfulness of professionals but was significantly related to perceived helpfulness of informal support. Path analysis revealed that traditionalism and attitudes toward professionals mediated the effects of personal variables on the perceptions of social support. 相似文献
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Patricia M. McGovern Donald Vesley Laura Kochevar Robyn R.M. Gershon Frank S. Rhame Elizabeth Anderson 《Journal of business and psychology》2000,15(1):149-161
This study characterizes levels of self-reported compliance with Universal Precautions (UP) among health care workers (HCWs) at risk of bloodborne exposure. A convenience survey was conducted of 1135 health care workers, expected to be at high risk for transmission of bloodborne pathogens. Using a cross-sectional design and a theoretical model by Gershon et al. (1995) data were analyzed with logistic regression. Factors associated with at least one of the two measures of HCW compliance with UP included longer tenure in one's job, increased knowledge of human immunodeficiency virus (HIV) transmission, a conservative attitude toward risky behaviors, a perception of a strong organizational safety climate, and having had some training in the use of personal protective equipment. Knowledge of factors associated with compliance helps to explain why health care workers sometimes exhibit poor compliance despite the real occupational hazard posed by exposure to bloodborne pathogens. 相似文献