Accuracy of imitation by 60 kindergarten subjects was examined using a task in which a female modeled a series of pegboard patterns and delivered accuracy contingent feedback. Four methods of feedback and a no-feedback control were compared. (GO)

Middle- and lower-class children who had been treated by E in a warm or aloof manner were given a discrimination learning task under one of six conditions forming a 3 by 2 design: three reinforcement types (Verbal-intoned, Verbal-nonintoned, or Symbolic) and reinforcement for correct or incorrect responses. (Editor)