Abstract
Children diagnosed as retarded and children who were nonretarded at the same level of vocabulary and perceptual competence were required to complete a series of five-choice discrimination tasks. An experimental group was given feedback and provided with goals for achievement which were set as accelerat- ing standards on a tower of lights. A control group was not given feedback and not required to strive for such standards. Results indicated that the feedback and accelerating-standards condition did have a positive effect on learning, but only during the second half of the series of trials. It was also shown that the children who were nonretarded attained a higher level of learning than the subjects who were retarded, also during the second half of the training period. Implications for teaching and training are outlined.
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