Abstract
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.
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Recommended Citation
Phelps, James L.
(2011)
"A Practical Method of Policy Analysis by Estimating Effect Size,"
Educational Considerations:
Vol. 39:
No.
1.
https://doi.org/10.4148/0146-9282.1102
