USING LAG SCHEDULES TO INCREASE TOY PLAY VARIABILITY FOR CHILDREN WITH INTELLECTUAL DISABILITIES

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Abstract

Relatively few studies have evaluated procedures for increasing play skills in children with intellectual disabilities. To address this limitation, this study evaluated the extent to which lag schedules increased novel toy play responses for three children who exhibited little or no appropriate toy play. Results show that the lag 1 schedule increased toy play variability for all three participants and the lag 2 schedule produced very little additional variability for the two participants exposed to this condition. The results of a social validity assessment suggest that classroom paraprofessionals (i) perceived the participants' toy play as typical and (ii) were satisfied with the outcomes produced by the lag schedules. We discuss the clinical implications and the potential limitations of the findings. Copyright © 2014 John Wiley & Sons, Ltd.

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