One of a series of documents produced by a nationwide network of early childhood education specialists, teachers, parents, and Head Start staff, the guide describes developmental characteristics of preschool and elementary school students by grade level. Arranged into five curriculum areas, the first presents physical, motor, social, cognitive,…

Presents a study to examine the effects of a verbal teaching strategy versus a strategy providing instruction using activities and manipulatives in four seventh grade earth science classes with students of varying cognitive abilities (n=83). Results indicate that students with more cognitive structures perform better and that using manipulatives…

To test whether gains in cognitive development can be accelerated, an intervention model was used to give pupils special lessons in science, using ideas of cognitive conflict, metacognition, and bridging in the context of formal operations. Found that intervention led to substantial and long-lasting increased achievement in science, mathematics,…