Suppression of pica by overcorrection and physical restraint: A comparative analysis

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Abstract
Overcorrection and physical restraint procedures have been shown to be effective in controlling certain classes of maladaptive behavior in mentally retarded persons. In the present study, an alternating treatments design was used to measure the differential effects of overcorrection and physical restraint procedures in the treatment of pica. Changes in collateral behaviors were also monitored. Each occurrence of pica was followed by either an overcorrection procedure or a physical restraint procedure. Although both procedures reduced the occurrence of pica and had a similar effect on the occurrence of collateral behaviors, physical restraint was clinically more effective in terms of immediate response reduction.