Reversal learning and conditional discrimination in children.

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Abstract
Varying amounts of overtraining on a visual discrimination task were given to 3 1/2-4 and 4 1/2-5 yr. old children who were then trained to reverse the discrimination. In the younger group negative transfer on the reversal task increased with amount of overtraining. In the older group overtraining improved reversal learning, significantly increasing the number of Ss who made an "error" only on the first reversal trial. This pattern of shifting responses was virtually absent in the younger group. In Experiment 2 4 groups of 3 1/2-4 yr. old Ss had various delays between original and reversal learning. Delay reduced negative transfer on the reversal but did not facilitate conditional discrimination.

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