Kathleen Hebbeler, a senior early childhood researcher at SRI International, has extensive knowledge of accountability for early childhood programs, assessment, and design issues for large-scale studies of young children. As a recognized expert in early childhood assessment, she has served on numerous national advisory boards, including the National Research Council’s Committee on Developmental Outcomes and Assessment for Young Children, and has consulted on major evaluations to create designs that adequately address issues in assessment of children with disabilities.