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EFFECTS OF WARNING STIMULI FOR REINFORCER WITHDRAWAL AND TASK ONSET ON SELF‐INJURY
Author(s) -
Mace Amy Boyajian,
Shapiro Edward S.,
Mace F. Charles
Publication year - 1998
Publication title -
journal of applied behavior analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 76
eISSN - 1938-3703
pISSN - 0021-8855
DOI - 10.1901/jaba.1998.31-679
Subject(s) - reinforcement , psychology , extinction (optical mineralogy) , task (project management) , audiology , developmental psychology , autism , cognitive psychology , social psychology , medicine , paleontology , economics , biology , management
Results of a functional analysis of self‐injurious behavior (SIB) in a child with autism showed that her SIB was maintained by access to preferred objects and escape or avoidance of task demands. Extinction and noncontingent reinforcement treatments were supplemented by presenting a statement combined with a picture cue at 30‐s intervals indicating that a preferred object would be removed or a task would be presented. Warning stimuli in combination with extinction and noncontingent reinforcement reduced SIB to acceptable levels. SIB rates remained comparatively high in a control condition consisting of a 2‐min delay to onset of reinforcer removal or task demands.
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