Thinning the schedule of high-quality reinforcement for prompted responses in a differential reinforcement procedure

Document Type

Thesis

College

College of Arts and Sciences

Department

Psychology

Degree

M.S. Applied Behavior Analysis

Date Completed

2016

First Committee Member

Karsina, Allen

Second Committee Member

Thompson, Rachel

Third Committee Member

MacDonald, Rebecca

Abstract

"Previous research indicates that differential reinforcement (DR) of independent responding may increase the likelihood of independent responses while minimizing prompted responses for individuals who display prompt dependency. In this study, we evaluated the effect of reinforcer quality as well as the schedule of high-quality reinforcer delivery for prompted responding in a DR procedure. Three different reinforcement procedures were implemented across discrete trial skill acquisition sessions using an adapted alternating treatments design for 3 individuals diagnosed with autism. In abrupt DR (ADR), independent responses were reinforced with a high-quality reinforcer while prompted responses were reinforced with a low-quality reinforcer. In gradual DR (GDR), high-quality reinforcers were delivered for prompted responses on a gradually thinning schedule, and on a constant schedule for correct independent responses. In nondifferential reinforcement (NDR), any correct response was reinforced with high-quality reinforcers. While ADR resulted in slightly faster acquisition for one participant who did not display prompt dependency, GDR resulted in faster acquisition for a participant who did display prompt dependency. For another participant displaying prompt dependency, acquisition did not occur in any condition. These results suggest that gradually fading reinforcement quality for prompted correct responses provides no notable improvement for individuals who do not display prompt dependency, but may be beneficial for individuals who do display prompt dependency."

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