Effects on the academic and disruptive behavior of special education pupils after adding a cost contingency to a token reinforcement procedure were examined. Response rates were higher when response cost was added than during either the baseline or token reinforcement contingency. (Author/MV)

This study reports a successful classroom intervention program which was designed to curb encopresis. It used positive consequences in combination with negative consequences, rather than negative consequences alone. Also it utilized a reversal strategy to evalulate the efficacy of the treatment variables. (Author)