We observed three children with autism spectrum disorder during structured play dates in which play partners displayed interest or disinterest in the toys with which they were playing. We then taught subjects to identify play partners' preferences and to make appropriate toy offers using a multiple-exemplar training package consisting of rules,…

The automatically reinforced self-injury of a girl (age 11) with autism was treated by providing noncontingent access to a single set of preferred toys during 30-minute sessions. Rotating toy sets after 10 minutes or providing access to multiple toy sets resulted in reductions that lasted the entire 30 minutes. (Contains four references.)…

Child care workers in an institution for severely/profoundly retarded children were trained to use prompts and increased toy availability. On the average purposeful activity level of the children increased from 10 percent to a mean of 70 percent during treatment while stereotyped or harmful behaviors decreased from an average of 20 percent to 70…