Results indicated that a combination of primary and conditional reinforcers was most effective in developing a verbal conditioned reinforcer which effectively functioned as a self-reinforcer to facilitate new learning for 80 second grade Ss. (Author/WY)

Two studies were conducted to clarify the role of different minimum performance standards for contingent tangible reinforcement or self-dispensed evaluative reinforcement (in the absence of tangible rewards) in determining the rate and accuracy of learning. Preschool children were presented with a discrimination learning task. Their performance…