Four experiments examined the development of negative priming (NP) in 3-5-year-old children using as a measure of children's executive function (EF) the dimensional change card sort (DCCS) task. In the NP version of the DCCS, the values of the sorting dimension that is relevant during the preswitch phase are removed during the postswitch phase.…

This article presents three studies that were designed to map the dimensions involved in "g," with an emphasis of the place of self-awareness in it. The first study involved preschoolers from 3 to 7 years of age. These were examined in three domains (spatial, quantitative and categorical reasoning) with both actual tasks and tasks addressed to the…