Investigators

SRI International

       Kathleen Hebbeler

       Donna Spiker

       Mary Wagner

       Sangeeta Mallik

       Craig Zercher

Frank Porter Graham Child Development Center

       Don Bailey

       Lynn Kahn

       Robin McWilliam

       Rune Simeonsson

       Anita Scarborough

Research Triangle Institute

       Susan Kinsey

American Institute for Research

       Jay Chambers

       Jesse Levin

Funded by the U.S. Department of Education Office of
Special Education Programs