Research syntheses are appealing because they enable decision makers to determine quickly whether policies, programs, and practices will have effects on student achievement and, if so, the magnitudes of the likely effects. Such syntheses should present objective, clear, scientifically accurate, and defensible evidence in terms that educators can…

Traditional methods for preparing systematic reviews and syntheses of effectiveness studies rely on a limited set of methodological criteria to include studies that measure and report effects too narrowly to forward the mission of evidence-based practice. This article discusses why and how the criteria for study selection, evidence screening, and…

In answering the question "What is the next trend in usage statistics in libraries?" an eclectic group of respondents has presented an assortment of possibilities, suggestions, complaints and, of course, questions of their own. Undoubtedly, usage statistics collection, interpretation, and application are areas of growth and increasing complexity…