Master's Theses

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Date of Award

Fall 1973

Degree Name

Master of Science (MS)




James Ryabik


This pilot study investigated the effect of group training within a token economy system on cooperative behavior in severely and profoundly retarded institutionalized adults. Vineland Social Maturity Scale scores were used to choose eight ward residents who were subsequently assigned to four-member training groups. Group cooperative behavior was defined as passing an object, lifting an object, and group assembling. Frequency of cooperative behaviors reaching the defined criterion generally increased in response to the training-token reinforcement learning combination. Implications of the results obtained in this pilot study appear to indicate this combination may be effective in training heretofore untried tasks with profoundly and severely retarded subjects.


Copyright 1973 Charlene A. Dreiling


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