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A Practical Method Of Policy Analysis By Estimating Effect Size, James L. Phelps
A Practical Method Of Policy Analysis By Estimating Effect Size, James L. Phelps
Educational Considerations
The previous articles on class size and other productivity research paint a complex and confusing picture of the relationship between policy variables and student achievement. Missing is a conceptual scheme capable of combining the seemingly unrelated research and dissimilar estimates of effect size into a unified structure for policy analysis and decision making. This article builds a rationale for a unifying structure and consistent method of estimating effect size.