Date of Award

5-1-2020

Degree Name

Master of Science

Department

Behavior Analysis and Therapy

First Advisor

Dixon, Mark

Abstract

The purpose of the present study was to examine the relationship between the semi-standardized PEAK Pre-Assessments (PEAK-PA) and the standardized PEAK Comprehensive Assessment (PCA). Twenty-four participants were administered each tool, and an item by item analysis was conducted to evaluate correlations between tests. The results of the study suggest that there was a strong, positive correlation between the PEAK-PA and the PCA overall (r= 0.969, p< 0.0001, and for individual assessment sections (Direct Training: r= 0.947, p< 0.0001; Generalization: r= 0.968, p< 0.0001; Equivalence: r= 0.938, p< 0.0001; Transformation-Receptive: r= 0.889, p< 0.0001; Transformation Expressive: r= 0.953, p< 0.0001). Additionally, when looking at the items that were slightly different and completely different between each version of the assessments, individuals most often scored higher on the PEAK-PA than the PCA. Taken together, the results may suggest that although these two versions are highly correlated, the PCA may provide a lower estimate of skills overall.

Share

COinS
 

Access

This thesis is only available for download to the SIUC community. Current SIUC affiliates may also access this paper off campus by searching Dissertations & Theses @ Southern Illinois University Carbondale from ProQuest. Others should contact the interlibrary loan department of your local library or contact ProQuest's Dissertation Express service.