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Direct linkPeck, Laura R.; Camillo, Furio; D'Attoma, Ida – Canadian Journal of Program Evaluation, 2009
This article presents a creative and practical process for dealing with the problem of selection bias. Taking an algorithmic approach and capitalizing on the known treatment-associated variance in the X matrix, we propose a data transformation that allows estimating unbiased treatment effects. The approach does not call for modelling the data,…
Descriptors: Program Evaluation, Intervention, Experiments, Comparative Analysis
Download full textSnyder, Thomas D.; Dillow, Sally A. – National Center for Education Statistics, 2015
The 2013 edition of the "Digest of Education Statistics" is the 49th in a series of publications initiated in 1962. The Digest has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field of American…
Descriptors: Elementary Secondary Education, Higher Education, Dropouts, Educational Finance
