Effect of Discrete Trial Teaching on the Achievement of Short-Term Objectives of Individualized Educational Program for Elementary School Students with Autism Spectrum Disorder

This study has the purpose to find out the effect of the Discrete Trial Teaching executed during school typical curricular sessions among lower graders of elementary special school program for Autism spectrum disorder on both the achievement and progress of short-term objectives of Individualized Educational Plan of students with autism spectrum disorder and its maintenance. The subjects of the study consisted of 18 lower elementary school graders of the aforementioned school(6 1st graders, 6 2nd graders, and 6 3rd graders). Each program for Discrete Trial Teaching contained 8 Short-Term Objectives (STO’s) and, after the analysis of the rate of Semester achievement to 144 STO’s, the rate of Progress turned out to be 97.91%. The conclusion of the study is as follows: First, the program utilizing Discrete Trial Teaching is effective to the achivement and progress of short-term objectives(STO’s) for each student. Second, the program utilizing Discrete Trial Teaching is effective to the maintenance of short-term objectives(STO’s) for each student. Based on this conclusion of the study, discussions and suggestions were presented related with antecedent studies.