The study investigated the effect of a videotape instructional routine in combination with contingent application of token reinforcements on attendant child interaction (nine female attendants and five children) in a residential facility for developmentally retarded children. (Author/GW)

Designed for both parents and teachers, the handbook presents methods for educating the moderately and severely retarded child. Those methods include measuring progress, rewarding and punishing, ways of using rewards and punishers, ways of giving positive reinforcers and punishers, withholding reinforcers (extinction), letting the child reward…