Abstract
The effectiveness of a light-out procedure in reducing periods of off-task behavior in retarded children was evaluated. Four children ages 3 to 10 yr. (mean IQ 32) were trained on a lever-pressing task as an analogue to discrete-trial training procedures. Positive reinforcement sessions were alternated with concurrent escape/avoidance procedures during which light-out was contingent upon nonresponding in an alternating treatment design. The light-out contingency rapidly and effectively reduced the length of time off-task and slightly increased response rate. Educational and therapeutic implications for retarded and autistic children include adaptation of the procedure for decreasing off-task behavior during discrete-trial training, such as in speech and language remediation.
Published Version
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