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Although access to higher education has increased substantially over the past forty years, student success in college--as measured by persistence and degree attainment--has not improved at all. Thomas Brock reviews systematic research findings on the effectiveness of various interventions designed to help at-risk students remain in college. Brock shows how(More)
Acknowledgments The ideas, writing, editing, and review of this paper involved a great many people who vastly improved its quality. In particular, we would like to acknowledge the contributions of MDRC staff members They provided guidance on the ideas addressed by the paper, suggested many of the examples that are used to illustrate these ideas, and in(More)
Public/Private Ventures is a national nonprofit organization that seeks to improve the effectiveness of social policies and programs. P/PV designs, tests and studies initiatives that increase supports, skills and opportunities of residents of low-income communities ; works with policymakers to see that the lessons and evidence produced are reflected in(More)
Dissemination of MDRC publications is supported by the following funders that help finance MDRC's public policy outreach and expanding efforts to communicate the results and implications of The findings and conclusions in this report do not necessarily represent the official positions or policies of the funders. For information about MDRC and copies of our(More)
Dissemination of MDRC publications is supported by the following funders that help finance MDRC's public policy outreach and expanding efforts to communicate the results and implications The findings and conclusions in this report do not necessarily represent the official positions or policies of the funders. For information about MDRC and copies of our(More)
S ince the introduction of the GI Bill in 1944, college has been part of the American dream, in large part because it is viewed as a ticket to economic security. Currently, about 21 million individuals attend a postsecondary institution, and the vast majority of high school students aspire to earn a bachelor's degree or higher. 1 While the popular image of(More)
method was developed for the direct counting of bacteria in natural waters. Bacteria were rapidly stained with acridine orange, filtered onto a Nuclepore filter, and counted with epi-fluorescence microscopy. [The Sd® indicates that this paper has been cited in over 915 publications , making it the most-cited paper from this journal.] One goal of ecologists(More)
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