Date of Award

12-1-2016

Degree Name

Master of Science

Department

Behavior Analysis and Therapy

First Advisor

Dixon, Mark

Abstract

The present study sought to compare the relationship between the generalization skills and performance on a standardized IQ assessment on 30 individuals with developmental or intellectual disabilities (73% had a diagnosis of autism). Participants’ generalization skills were tested using the Promoting the Emergence of Advanced Knowledge Generalization Module (PEAK-G), and IQ was assessed using either the WISC-IV Short Form assessment or the WPPSI-III Short Form assessment. The data indicated a strong, significant correlation between scores on the PEAK-G and IQ using both Raw IQ (r = .839, p > .01) and Full Scale IQ (r = .628, p > .01). Both Raw IQ and Full Scale IQ were further analyzed by comparing them each to the three subtests of the PEAK-G (Foundational Learning and Basic Social Skills, Verbal Comprehension, Memory and Advanced Social Skills and Verbal Reasoning, Problem Solving, and Advanced Mathematical Skills). The results help to provide a better understanding of how closely participants’ IQ scores correlate to their PEAK-G scores.

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