The assessment of young children in early childhood special education is a central area of educational practice. The results of child assessments often have significant implications for young children, their families, and the programs that serve them, including eligibility for special education services, instructional planning, and documentation…

This paper describes two measurement integrity analyses conducted using data on the Battelle Developmental Inventory, obtained from a sample of 78 children with severe disabilities. Procedures used to conduct internal reliability and construct validity analyses are discussed. Researchers are urged to evaluate a test's construct validity when their…

A set of developmental norm data for reflexive and voluntary visual-motor development was compiled, revised after extensive clinical use, and found to have highly significant interrater agreement. Use of the resultant Erhardt Developmental Visual Assessment is illustrated with a multiply handicapped three-year-old. (Author/JDD)