Type of Document	Dissertation
Author	Petscher, Erin Seligson
URN	etd-06272006-172127
Title	Comparing Main and Collateral Effects of Extinction and Differential Reinforcement of Alternative Behavior
Degree	Doctor of Philosophy
Department	Psychology, Department of
Advisory Committee	Advisor Name Title Jon Bailey Committee Chair Barbara Licht Committee Member Bruce Thyer Committee Member Mark Licht Committee Member Thomas Welse Committee Member
Keywords	Side Effects Aggression Behavior Analysis Extinction Differential Reinforcement Collateral Effects
Date of Defense	2006-08-23
Availability	unrestricted
Abstract Both extinction (EXT) and differential reinforcement of alternative behavior (DRA) have been used frequently to reduce problem behaviors. The benefits of these interventions have been established yet may be outweighed by the reported negative side effects that result. However, these collateral effects have rarely been measured or reported. This study evaluated the effects and collateral effects of these interventions with inappropriate vocalizations and work refusal. With the four participants whose target behavior was inappropriate vocalizations, DRA produced the most rapid reductions in behavior. For the fifth participant, whose target behavior was work refusal, EXT yielded the quickest reduction. Other behaviors were measured for changes, and showed that the desirable collateral effect of academic engagement tended to be higher during EXT than DRA. No evidence of extinction bursts was present with any participant, although extinction-induced aggression occurred with one participant.
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