Year of Publication

2015

Degree Name

Master of Science in Education (MSEd)

Document Type

Master's Thesis

College

Education

Department

Early Childhood, Special Education, and Rehabilitation Counseling

First Advisor

Dr. Jennifer Grisham-Brown

Abstract

Three preschoolers with limited or no verbal language were taught to request preferred objects using an adapted Picture Exchange Communication System (Bondy & Frost, 1998) and elements of peer mediated instruction and intervention (Neitzel, 2008) (PECS/PMII). These two interventions have been established as evidence based practices, but have not previously been taught and implemented by one adult and a preschool child in a preschool classroom. Same-aged peers were the communicative partners for the picture exchange. A teacher served as the facilitator of the exchanges. A multiple probe (days) across participants design was utilized to determine the effectiveness of the intervention. The percentage of successful exchanges/requests made by the target child using the adapted PECS/PMII method was evaluated to determine the effectiveness of the intervention when implemented by a same-aged peer. The target children not only made requests to the criterion level, two of the three increased their appropriate verbal responses. The same-aged peers were able to effectively implement the steps for PECS phase 1.

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