“…Unfortunately, until we have a consensus on what best practices in early intervention are (Hanson & Haring, in press;McDonnell & Hardman, 1988;Westlake & Kaiser, 1991), we will continue to waste precious resources conducting research on mediocre early intervention programs, to produce equivocal results. Further, debate concerning the general efficacy of school-based special education for students with mild disabilities persists (Dunn, 1968;Edgar, 1987: Reynolds et al, 1987Stainback & Stainback, 1984;Wang & Walberg, 1988), and it will continue whether or not significant improvements are made in methodologies utilized to study efficacy.…”