A comparison of operant and sensory integrative methods on developmental parameters in profoundly retarded adults.

Abstract

The expertise of speech pathologists and occupational therapists was combined to compare the relative effectiveness of an operant approach, a modified sensory integrative approach, and a combination of both methods in eliciting vocalization on other developmental skills on a sample of 27 profoundly retarded, minimally vocal, institutionalized adults. The combined results indicated that the therapy programs promoted significant gains in frequency of eye contact, frequency of vocalization, and quality of postural adaptation. There were no differences in the effects of the respective therapies. The fact that the more controversial sensory integrative procedures elicited comparable gains when compared with the more widely recognized operant method lends credence to the viability of sensory integrative methods.

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