These experiments tested the hypothesis that an instructional strategy involving guided discovery will promote meaningful learning of problem solving concepts by activating an assimilative set during learning. In order to investigate the effect of discovery training and concrete manipulation, preschool children were given training in one to one…

Children's self-control behavior in motor and cognitive tasks was examined in a series of two studies in which modeling and self-regulatory mechanisms were varied to assess the influence of each. In the first study, 6-, 7-, 9-, and 11-year-old children individually played a 20-trial game of 'Simon Says' (involving activation and inhibition trials)…