Date of Award

5-1-2017

Degree Name

Master of Science

Department

Behavior Analysis and Therapy

First Advisor

Dixon, Mark

Abstract

The present study evaluated the validity and efficacy of the Promoting the Emergence of Advanced Knowledge Relational Training System Equivalence Module (PEAK-E) using a single-case, multiple baseline across skills design with 3 adolescents with autism. Total scores from the PEAK-E assessment (PEAK-E-A) and programs were used to evaluate the degree to which the assessment was able to identify language skills to teach using the PEAK-E curriculum, and how effective the PEAK-E curriculum was at teaching those target skills. Baseline results suggested that the programs selected using the PEAK-E-A were not currently in the participant’s language repertoire. Upon completion of 9 total programs across three participants (3 programs per participant), mastery was achieved and all derived relations emerged for all 9 programs. The PEAK-E pre-assessment, assessment, and training programs were proven to be valid and efficacious at improving participant’s language skill repertoire. Keywords: autism, applied behavior analysis, verbal behavior, derived relational responding, stimulus equivalence, PEAK

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