Graduation Year

2022

Document Type

Thesis

Degree

M.S.

Degree Name

Master of Science (M.S.)

Degree Granting Department

Child and Family Studies

Major Professor

Sarah Bloom, Ph.D., BCBA-D

Committee Member

Heather M. Zerger, Ph.D., BCBA-D

Committee Member

Meka N. McCammon, Ph.D., BCBA-D

Keywords

Autism Spectrum Disorder, Differential Reinforcement, Escape maintained behavior, Positive reinforcement, Problem behavior, Screaming

Abstract

Differential and positive reinforcement are non-intrusive interventions that have proven to be successful in decreasing problem behavior. This study aims to decrease the screaming behavior exhibited by a four-year-old male diagnosed with autism spectrum disorder (ASD) by using differential reinforcement without extinction alongside positive reinforcement in the form of edibles. The researcher hypothesized that the use of both interventions would be more effective than the use of one intervention. Using an AB experimental design, the intervention was successful in producing an 80% decrease from baseline screaming. Though successful, many limitations were presented throughout the study, affecting the consistency and replicability of the study.

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