| Summary: | This thesis investigates examining the effects of certain types of interdependence on motor performance in competition. In the first experiment, participants undertook a ball carrying and running task under varying levels of between-team resource interdependent condition in the individual competition. The number of balls that carried to the container decreased when between-team resource interdependence exists. In the second experiment, participants completed a basketball shooting and rebounding task under varying levels of between-team resource interdependent condition in a two-on-two team competition. Results indicated that the number of baskets made, the number of baskets attempted and the shooting accuracy was higher in resource independent competition. In the third experiment, participants undertook the same basketball shooting and rebounding task as the second experiment under varying levels of between-team resource interdependent condition and within-team reward interdependent condition. Results indicated effort-based performance was greater under resource independent condition and its interaction with low reward interdependent condition. In the final experiment, participants undertook a handgrip task in a four-on-four team competition. Compared to the no reward condition, performance was better under both high reward interdependent condition and low reward interdependent condition. Mediation analyses revealed that positive emotions, self-reported effort and pressure mediated the change of performance.
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