As evidence-based reform becomes increasingly important in educational policy, it is becoming essential to understand how research design might contribute to reported effect sizes in experiments evaluating educational programs. The purpose of this study was to examine how methodological features such as types of publication, sample sizes, and…

Presents 12 points about experimentation all teachers concerned with evidence-based reading instruction should keep in mind as they evaluate assertions about literacy education. Reflects on how responsible experimenters who wish to inform literacy instruction should communicate research results to classroom practitioners. Concludes that educators…

This report is distilled from Rand's findings in previously reported research and from new research. It is addressed to school board members, administrators, and other educational decisionmakers who may be contemplating a performance contracting program. The guide follows the life cycle of a project and identifies the three major phases as…

This report represents an integration of analysis results in an interim report with those from additional analyses performed since. It is divided into (1) description of the experiment in which the goal is outlined; (2) description of the technology company programs, an overview of personnel, curriculum and materials, and incentive systems; (3)…

This report summarizes the principal findings for the O.E.O. experiment in performance contracting. The report emphasizes major results and conclusions to date. It is divided into (1) description of the experiment, in which the goal is outlined; (2) description of the technology company programs, curriculum and materials, and overviews of…