One mildly and two borderline mentally retarded children (10 to 12 years old) were treated for spelling deficits using either overcorrection or overcorrection plus reinforcement. Overcorrection with reinforcement proved to be more effective than overcorrection alone for two of the three children. (Author)

Timeout from auditory reinforcement was employed to reduce rates of target responses of two mentally retarded children (9 and 11 years old). Results supported the response deceleration characteristic of timeout from auditory reinforcement and indicated its effectiveness as a response reduction technique. (Author)