EFFECTS AND SIDE-EFFECTS OF A BRIEF OVERCORRECTION PROCEDURE IN REDUCING MULTIPLE SELF-STIMULATORY BEHAVIOUR: A SINGLE CASE ANALYSIS

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Abstract
The use of positive practice overcorrection to reduce the classroom self-stimulatory behavior of a mentally retarded child is described. An initial attempt to reduce 4 stereotyped hand movements through reinforcement of incompatible behavior resulted in a decrease in 3 types of behavior and an increase in the 4th. When 1 min of positive practice overcorrection was made contingent on the increased behavior, it was immediately reduced to near-zero levels with accompanying low occurrences of all other behavior forms. Response suppression was durable following the evaluation of the overcorrection procedure at 2 and 3.5 mo. follow-ups.