This article used two studies to investigate sign and symbol mediation in children aged 8-11 years. In role play, children exist at one at the same time in objective reality and their representation of reality. We cannot observe their mental representation directly, but the issue of whether signs or symbols mediate early role play is an important…

The Cognitive Education Project centered at the University of Alberta undertook a 3-year longitudinal evaluation of two cognitive education programs aimed at teaching thinking skills. The critical difference between the two experimental programs was that one, Feuerstein's Instrumental Enrichment (IE) method was taught out of curricular content,…