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Ault, Melinda Jones; And Others – American Journal of Mental Retardation, 1988
Three moderately mentally retarded students, aged 8-11, were taught to read words commonly found on community signs. Error percentages were similar for both progressive time-delay procedures and constant time-delay procedures, but the constant time-delay procedure was slightly more efficient in direct instructional time and number of sessions to…
Descriptors: Efficiency, Elementary Education, Instructional Effectiveness, Moderate Mental Retardation
Shimizu, Naoji – RIEEC Report, 1988
This study investigated the effectiveness of a natural environment language training procedure that combined the mand-model procedure and the time delay procedure for the acquisition of noun signs and for the spontaneous use of the signs acquired. One autistic boy, aged 5 years, 4 months with no verbal imitation skills and few movement imitation…
Descriptors: Acceleration (Education), Autism, Behavior Change, Case Studies