Abstract
In a laboratory experiment with 113 male university students, probability of succeeding at an arithmetic task was set at either .25, .50, or .75. This objective probability of success was linealy and positively related to subjective probability of success and to level of performance. No significant main effects of the trait of generalized expectancy of task success were found either on subjective probability of success or on performance. However, the more specific trait of expectancy of success at numerical tasks, with measured ability held constant, did show significant positive effects on subjective probability of success and performance. These results suggest that persons with high self-appraisals in a particular skill area form higher subjective probabilities of success and perform at higher levels on tasks calling for those skills than do persons with low self-appraisals, even though they do not differ in measured ability.
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Research reported here is based on a portion of a dissertation prepared at at the University of Minnesota in partial fulfillment of the requirements for the doctoral degree. Grateful appreciation is extended to John P. Campbell, who served as thesis advisor.
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Motowidlo, S.J. Effects of traits and states subjective probability of task success and performance. Motiv Emot 4, 247–262 (1980). https://doi.org/10.1007/BF00995423
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DOI: https://doi.org/10.1007/BF00995423