Discrimination Skill as a Predictor of Prevocational Performance of Institutionalized Mentally Retarded Clients

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Two experiments were conducted to determine whether an assessment of the discrimination skills of institutionalized mentally retarded clients provided information regarding subsequent prevocational performance. During Experiment 1, the two-choice discrimination skills of 20 mentally retarded clients were assessed with six diagnostic tasks. Following assessment, 12 clients were administered several criterion tasks to determine the accuracy of prediction of the assessment tasks on prevocational analogue tasks. During Experiment 2, nine clients were administered a prevocational sorting task, and the accuracy of prediction of the discrimination assessment was again evaluated. Results indicated that the results of assessment are useful in predicting performance across most of the analogue tasks and the prevocational sorting task.

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