Background: Previous research has indicated positive effects of early developmental intervention (EDI) on the development of children in developing countries. Few studies, however, have examined longitudinally when differential treatment effects may be observed and whether differential outcomes are associated with exposure to different risk…

This workbook was designed to help parents of preschool children take an active role in the education and guidance of their children, particularly in the area of language and vocabulary, social development, and movement. Included are all the sections from the book "Discovering How Children Learn" in addition to parent and child…