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Research lnfluence of Reinforcers on the Time-on-Task Performance of Adolescents Who Are Profoundly Mentally Retarded



275 – 284

The purpose of this investigation was to determine the influence of audio (cassette tapes) and audiovisual (music videotapes) reinforcers on motorized bicycle ergometer time-on-task performance of 5 adolescents who were profoundly mentally retarded (PMR). The groups that received audio and audiovisual reinforcers had significantly higher time-on-task performance compared to subjects who received no reinforcement. However, there was no significant difference between audio and audiovisual reinforcers. It was concluded that music and videotapes with music can be effectively used to improve the performance of adolescents who are PMR when riding a stationary motorized bicycle ergometer.

Authors: Gholamali Owlia, Ron French, Victor Ben-Ezra, Lisa M. Silliman

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