Paper presents a two-fold operational partition of the structures involved in characterizing instructional knowledge. (Author)

This study, based on a socio-constructivist approach, seeks to help children to develop the cognitive processes of decentration and anticipation. Analysis focuses on observation of children's behavior while playing ball in a group and then on the graphic representation of the actions drawn by the children after each play session. (Author/JKP)

Relationship between the social world and individual knowledge acquisition is explored. A general theory predicated on the assumption that social interaction is the driving force behind knowledge acquisition is postulated and then formulated as a model. A selection of results pertaining to social learning are presented. (Author/MBR)