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PubMed · 3171919

Efficiency under record performance demands: exertion control--an individual difference variable?

H Heckhausen·H Strang
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Abstract

Semiprofessional players ran basketball circuits under either normal or record performance demands. Lactate concentration and heart rate were measured as indexes of exertion. Number of dribbling errors, attempted shots, hits, and hit rate served as measures of performance and efficiency. Several individual difference measures were taken in order to identify those athletes who were capable of moderating the extent of exertion and of preserving their performance from impairment. The indexes of exertion rose sharply from normal to record trials. Correspondingly, the numbers of dribbling errors and of shots increased while the hit rate declined. However, there were considerable individual differences in restraining exertion and preserving efficiency--both indexes of exertion control. Neither achievement motive scores nor questionnaire items that ask for self-knowledge about exertion control could account for these differences. However, individuals capable of exertion control could be discriminated by an action-control scale that asks about postdecisional implementation of action steps (Kuhl, 1985).

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AchievementAdultBasketballDecision MakingEfficiencyHeart RateHumansIndividualityLactatesLactic AcidMaleMotivationPhysical ExertionSelf ConceptJournal Article

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H Heckhausen, H Strang. 1988. Efficiency under record performance demands: exertion control--an individual difference variable?. https://doi.org/10.1037/%2F0022-3514.55.3.489

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