Results of a study comparing the outcome of a reinforcement (do only) procedure with correspondence (say/do) training indicated no apparent differences in generalization between two groups of mentally retarded adults (N=12). Rule-governed behavior, rather than verbal regulation of behavior, may best account for behavior changes seen in…

It was found that Ss in all conditions showed significant pretest to post-test performance increases on the telephone skills tasks--suggesting that, for skill development tasks with retarded adults, demonstration and verbal summaries may add little to the practice experience and that group delivery of training procedures is cost-effective.…