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Examination of Quantitative Methods Used in Early Intervention Research: Linkages With Recommended Practices

Louisiana State University Health Sciences Center, psnyde{at}lsuhsc.edu

Bruce Thompson

Texas A & M University

Mary E. Mclean

University of Wisconsin-Milwaukee

Barbara J. Smith

University of Colorado-Denver

Findings are reported related to the research methods and statistical techniques used in the 450 group quantitative studies examined as part of the literature review portion of the Division for Early Childhood Recommended Practices project. Twelve trained coders used an investigator-developed coding form to analyze studies across seven major dimensions: (a) sampling procedures, (b) variable selection, (c) variable definition, (d) measurement integrity, (e) treatment fidelity, (f) statistical analyses, and (g) magnitude-of effect reporting. Results suggested that the methodological integrity of the quantitative research used to inform recommended practices was not uniformly convincing and compelling. Implications are offered related to the strength of empirical support for recommended practices and the conduct and reporting of future research.

Journal of Early Intervention, Vol. 25, No. 2, 137-150 (2002)
DOI: 10.1177/105381510202500211


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