Preface. Introduction and Overview, Rena F. Subotnik and Herbert J. Walberg. Evidence-Based Reform: Experimental and Quasi-Experimental Research Considered, Susan J. Paik. Scientific Formative Evaluation: The Role of Individual Learners in Generating and Predicting Successful Educational Outcomes, T.V. Joe Layng, Greg Stikeleather, and Janet S. Twyman. Blending Experimental and Descriptive Research: The Case of Educating Reading Teachers, Elizabeth S. Pang and Michael L. Kamil. The Enhancement of Critical Thinking: With Decades of Converging Evidence, Meta-Analyses with Large Effect Sizes, and Societal Need, Would You Allow Your Child to Be Assigned to a ""Control"" Group?, Diane F. Halpern. Improving Educational Productivity: An Assessment of Extant Research, Herbert J. Walberg. The Scientific Basis for the Theory of Successful Intelligence, Robert J. Sternberg. Science, Politics, and Education Reform: The National Academies' Role in Defining and Promoting High-Quality Scientific Education Research, 2000-2004, Lisa Towne. American Board for Certification of Teacher Excellence: Applying Research to Develop a Standards-Based Teacher Certification Program, Kathleen Madigan. Evidence-Based Interventions and Practices in School Psychology: The Scientific Basis of the Profession, Thomas R. Kratochwill. The Institute of Education Sciences' What Works Clearinghouse, Robert Boruch and Rebecca Herman. Conclusions and Recommendations, Herbert J. Walberg and Rena F. Subotnik. About the Contributors.