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Influence of Reward and Social Support on Exercise Adherence in Aerobic Dance Classes

Two independent studies were conducted to explore the effects of reward and social support on adherence to exercise during a university semester. Subjects from aerobic dance classes self-selected one of three groups. Group 1 worked individually for rewards of clothing based on the class attendance, Group 2 chose three-person groups to work for rewards, and Group 3 received no reward or social support. In Study 2, Group 2 was made up of two-person groups. Analysis of variance of both sets of data showed a significant difference in class attendance among groups (p < .01). Scheffé post hoc comparisons indicated that Groups 1 and 2 in both studies showed significantly better attendance than Group 3; however, the average attendance of Groups 1 and 2 did not differ significantly. Apparently, use of rewards, independently or in combination with social support, improves exercise adherence.