Two experiments with 15 individuals having profound mental retardation found difficulties in identifying reinforcers that were actually effective in treatment of chronic training needs. Research needs in evaluating training alternatives for people with profound multiple disabilities who move very little or who respond with very long latencies are…

Programmed identity-matching training was given to five participants with severe mental retardation and histories of failures in assessments and training attempts. When an intermediate goal of establishing one-trial discrimination learning was eliminated, four participants completed the program and passed tests for generalized identity matching…

This study evaluated the effects of a home-based parent training program on the language development of young children of 28 mothers with mental retardation. Interaction training consisted of verbal instruction, modeling, feedback, and tangible reinforcement. After training, parent/child interaction scores were no longer lower than those of a…

Using classroom-based instruction and on-the-job monitoring and feedback, seven teachers were trained to systematically observe the data collection and teaching performances of their assistants as well as to provide contingent feedback. The supervisory training for teachers was accompanied by improvement in data collection among seven of eight…