Three children who displayed destructive behavior maintained by negative reinforcement received functional communication training (FCT). During FCT, the children were required to complete a demand and then to mand (touch a card attached to a microswitch, sign, or vocalize) to receive brief play breaks. Prior to and 1 to 3 times following the…

We assessed problem and appropriate behavior in the natural environment from a matching perspective. Problem and appropriate behavior were conceptualized as concurrently available responses, the occurrence of which was thought to be determined by the relative rates or durations of reinforcement. We also assessed whether response allocation could…