Research supported in part by Public Health Service grant NB-07346 from the National Institute of Mental Health.

The study investigated the effect of information responsiveness in relation to training in feedback utilization on discrimination learning among 77 preschool children (ages four and five years). (Author/PHR)

Study investigated the effect of the stimulus variables of value, chroma, and hue in relation to sex, intelligence, and dimensional attention of kindergarten children using two reward conditions. (Author)

This study, which assessed hypothesis-testing abilities using a discrimination-learning paradigm, found that 16 language-impaired primary-level children solved fewer problems than 16 controls equated on cognitive level, but the 2 groups used similar hypothesis types to solve the problems. Type of verbal feedback (explicit versus nonexplicit) did…

Results of two experiments show that only postinformative feedback intervals to be significant sources of variation; mean trends appeared to indicate that extended preresponse intervals interfere with performance, if anything. (Authors/MB)

Seven adults with severe to profound mental retardation participated in match-to-sample discrimination training under three conditions. Results indicated that error-correction procedures improve performance through negative reinforcement; that error correction may serve multiple functions; and that, for some subjects, trial repetition enhances…

To estimate the relative effects of three types and three combinations of feedback on children's discrimination learning, a meta-analysis was performed on the findings of 89 studies. In general, reward compared to punishment or to reward plus punishment is the least efficient method of feedback for teaching children discrimination materials.…