This article summarizes results from 12 empirical evaluations of observational methods in education contexts. We look at the performance of three common covariate-types in observational studies where the outcome is a standardized reading or math test. They are: pretest measures, local geographic matching, and rich covariate sets with a strong…

The role of standardized tests in American education is being challenged as many feel that they are unfair and actually reinforce and legitimize existing inequalities. The Educational Testing Service, the SAT, meritocracy, test coaching, and economic bias are discussed. (MLW)