Analyzes S. Bauer's article on the use of achievement tests to judge school quality to demonstrate the importance of logic, philosophy (especially conceptual analysis), and insights based on anecdotal evidence for educational research and policy making. Emphasizes the place for logical reasoning and anecdotal evidence in the empirical enterprise…

M. Wang, G. Haertel, and H. Walberg have produced a summary of the bivariate relationships that influence learning. The problem is how to convert such evidence into knowledge, and the knowledge into policy. Discusses how health science provides a guide for making the conversion from evidence to policy. (SLD)