Date of Award


Document Type


Degree Name

Master of Science (MS)


Behavioral Analysis

First Advisor

David A. Wilder

Second Advisor

Nicholas L. Weatherly

Third Advisor

John E. Deaton

Fourth Advisor

Nicole E. Gravina


This study evaluated the utility of the Performance Diagnostic Checklist- Safety (PDC-Safety) (Martinez-Onstott, Wilder, & Sigurdsson, 2016) by comparing the effectiveness of a PDC-Safety indicated intervention with a PDC-Safety nonindicated intervention. The interventions targeted participants’ hand washing behavior at a clinic serving children with intellectual disabilities. Failure to wash hands at appropriate times could pose health risks to both behavior technicians and clients, so efforts should be made to increase the likelihood of hand washing. The results of the PDC-Safety suggested that the antecedents and information domain was most problematic. First, a non-indicated intervention, which included access to additional materials (i.e., hand sanitizer), was implemented and found to be ineffective. Next, an indicated intervention, which included prompting, was evaluated and found to be effective to increase safe performance for three of the four participants; two participants required feedback to maintain safe performance.


Copyright held by author.