School of Industrial Engineering Purdue University
School of Industrial Engineering Purdue University
1973 Volume 15 Issue 3 Pages 127-135
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An optimum feedback strategy is established for the acquisition and retention of psychomotor skills. A hierarchy of the effectiveness of 18 different feedbacks is established by utilizing 180 male college students divided randomly into 18 groups. The task consists of depressing a bar with a stylus (with a force of 1.3 to 1.7 lb.). The results indicate that: (1) Gradual reduction in feedback is superior to an abrupt halt to feedback for the retention of skill. (2) Negative reinforcement is superior to positive one in both the acquisition and retention of skills. (3) Continuous precise feedback is the best for task which depends on feedback but the worst for the retention of skills which do not depend on feedback.