Date of Award

12-2016

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Behavioral Analysis

First Advisor

A. Celeste Harvey

Second Advisor

Mark Harvey

Third Advisor

Samantha C. Fowler

Fourth Advisor

Mary Beth Kenkel

Abstract

One method of assessing reinforcer strength is to use a progressive ratio (PR) schedule of reinforcement, whereby response requirements to access reinforcers gradually increase. PR schedules have been used to assess reinforcer potency in numerous applications with nonhumans in basic research, children and adults with disabilities, and individuals with histories of substance abuse problems. However, the utility of PR schedules to determine robust reinforcers has not been assessed with children with attention deficit – hyperactivity disorder (ADHD) regarding academic tasks, such as mathematics. The inability to remain on task presents a challenge for teachers in schools, and poses detrimental effects on children who may fail to achieve academic success. In the present study, we evaluated the effectiveness of PR schedules for increasing mathematics compliance in two children with ADHD and one child who was identified as highly distractible and frequently off-task by teachers and parents.

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