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MCCULLERS, JOHN C., and MARTIN, JUDITH A. GARDINER. A Reexamination of the Role of Incentive in Children's Discrimination Learning. CHILD DEVELOPMENT, 1971, 42, 827-837. 2 studies are reported. The first examined the value of 12 typical incentive objects among 24 fourth-grade children by means of (a) rating scale, (b) paired comparisons, and (c) behavioral choice. Significant agreement was obtained between methods, and significant differences were obtained between objects. In the second study, 72 fourth graders reevaluated 4 objects from the first study and then performed in a discrimination learning task that manipulated: (a) type of reinforcement (S's most or least preferred object, or verbal feedback), (b) reinforcement contingency (for correct responses or errors), and (c) instructions (whether or not S was informed of the reinforcement contingency). Better performance was associated with higher-valued incentives, but high-value
McCullers et al. (1971) studied this question.