The Effects of Assigned and Self-Set Goals on Task Performance

Abstract
This study investigated the effect of three goal-setting conditions (self-set, assigned, and control) and two levels of self-motivation (medium and high) on the performance of females participating in 12 university weight training classes (N = 252). The subjects' levels of self-motivation were assessed via Dishman, Ickes, and Morgan's (1980) Self-Motivation Inventory (SMI). The baseline and performance trials were analyzed in a 3 × 2 × 10 (Goal Condition × Motivation Level × Trial) ANCOVA design, with repeated measures on the last factor and baseline as the covariate. A significant interaction of goal-setting groups and trials was found. Planned comparisons indicated that the assigned goal group was statistically superior to the control and to the self-set groups from Trial 3 through retention. In addition, the two goal-setting groups were statistically superior to the control group at the seventh through retention trials. The subjects' SMI levels were not found to moderate the effect of goal setting on performance.

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