Two experiments investigated the effects of a treatment package on the self-injurious behavior of three profoundly retarded persons who appeared to enjoy the physical restraints used to prevent their self-injury. The treatment package included physically restraining subjects contingent on increasing periods of time during which no selfinjury occurred, and providing them with toys and attention during intervals between restraints. A reversal and multiple-baseline analysis documented that the rapid and complete reduction in self-injury by all subjects was due to this treatment package. Because these results suggested that physical restraint might function as a positive reinforcer, in a third experiment physical restraint was applied contingent on a marble placement response with one subject. A reversal design demonstrated that toy play systematically increased when each response resulted in restraint. The experiments have implications for the nonaversive remediation of self-injury in individuals who are restrained, as well as for the development and maintenance of self-injury in natural settings.

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The low frequency but highly intense disruptive behavior of 10 institutionalized mentally retarded persons was treated by providing them with opportunities for vigorous exercise. In two experiments, severely aggressive and hyperactive clients were exposed to two daily periods of jogging and strenuous activities in multiple baseline designs across clients. Rating scale data collected daily from cottage and school personnel indicated a systematic reduction in problem behavior for 8 of the 10 participants to levels considered "not a problem" or only "an occasional problem." Physical exercise may offer promise as an effective, benign, and practical adjunct to other treatment and management techniques.

This study examined the extent to which competence in applying behavioral procedures (timeout from positive reinforcement) was sufficient to establish competence in teaching others to apply the same procedures. During baseline, graduate students attempted to instruct parents with a history of child abuse and neglect in the use of time-out. Students were then instructed in the use of time-out until they achieved proficiency in a role-play context. They then reattempted to instruct the parents. Finally, the students were instructed in certain consultation skills (i.e., teaching others to apply behavioral procedures) and again attempted to instruct parents in the application of time-out. Observations of students' consultation skills, parents' proficiency at administering time-out, and children's compliance to parental instructions revealed that explicit training in behavioral consulting skills was necessary to produce improvements in these behaviors. Students' proficiency at administering time-out was insufficient to enable them to instruct others in its application. These results were corroborated by surveys of both students and staff. The implications for graduate training and service delivery are discussed.