Date of Award

7-2022

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Behavioral Analysis

First Advisor

Kimberly Sloman

Second Advisor

David Wilder

Third Advisor

Vida Tyc

Fourth Advisor

Robert A. Taylor

Abstract

A variety of preference assessments have been used to identify potential reinforcers for individuals with autism spectrum disorder (ASD) and related disabilities. However, during traditional selection-based assessments, participants may fail to select items or selection may be under faulty stimulus control (e.g., side bias). Previous research has evaluated the utility of eye-gaze preference assessments with individuals with profound intellectual disabilities. The purpose of this study is to compare preference assessments by eye gaze and traditional preference assessment in three participants with ASD. The results of reinforcer assessment showed that among 2 out of 3 participants, the eye gaze method was more accurate compared to the traditional preference assessment. The breakpoint in the progressive ratio schedule matched with the result as well.

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