Avellar, Sarah; Clarkwest, rew; Dion, M. Robin; Asheer, … - Mathematica Policy Research - 2012
documents the research on the programs’ effectiveness or impacts and the degree to which the studies demonstrate that a specific … program (and not some other factor) led to the results. It also describes key program elements—such as content, design, and …. Studies are rated high, moderate, low, and unrated based on design, execution, and analysis. …