THE EFFECTIVENESS OF INTERACTIVE UNIT TEACHING MATERIAL VIA PEER TUTORING ON THE LEARNING OF THE CONCEPT OF GRAIN ON STUDENTS WITH MENTAL RETARDATION

The purpose of this study was to present the effectiveness of interactive unit teaching material via peer tutoring (IUTMPT) on the learning of the concept of grain on students with mental retardation. One normally developing student attending to first grade in regular classroom, and two students, attending to a self-contained special education classroom of the same primary school and one student attending to a self-contained special education classroom of the another primary school in Bolu, totally four students participated in this study. The study was conducted as a multiple probe design with probe session across subject models, which is one of the single subject designs. IUTMPT was applied by one-on-one instruction; first session was lasted approximately 70-75-minute, others sessions was lasted 60 minutes. At the end of intervention settings, follow-up and generalization settings were conducted. The findings showed that IUTMPT was effective in acquisition, maintaining and generalizing in different settings and materials of the concept of grain to the students with mental retardation.