Dramatic changes in the higher education landscape and the recent recession have intensified the challenges students face in postsecondary enrollment and completion. In response, some states, communities, and institutions have developed "postsecondary opportunity programs (POPs)"--comprehensive college access and success programs…

The purpose of this Guide is to advise researchers, policymakers, and others on when it is possible to conduct a high-quality randomized controlled trial in education at reduced cost. Well-designed randomized controlled trials are recognized as the gold standard for evaluating the effectiveness of an intervention (i.e., program or practice) in…

Science education standards established by American Association for the Advancement of Science (AAAS) and the National Research Council (NRC) urge less emphasis on memorizing scientific facts and more emphasis on students investigating the everyday world and developing deep understanding from their inquiries. These approaches to instruction…