This report is the fourth in a series of follow-up analyses of nine longitudinal studies addressing the costs and effectiveness of alternative types of early intervention for children with disabilities. An introduction provides an historical perspective and conceptual framework for the studies, including common study elements and how research…

Information about developments in the field of education of visually handicapped children and about resources available to assist educators in their efforts to initiate, extend, and improve educational programs for these children appears in a wide variety of pamphlets and professional journals. An attempt is made in this bulletin to summarize…