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Kelcey, Ben; Shen, Zuchao – Health Education Research, 2017
A key consideration in planning studies of community-based HIV education programs is identifying a sample size large enough to ensure a reasonable probability of detecting program effects if they exist. Sufficient sample sizes for community- or group-based designs are proportional to the correlation or similarity of individuals within communities.…
Descriptors: Foreign Countries, Educational Planning, Community Programs, Acquired Immunodeficiency Syndrome (AIDS)
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Visher, Mary G.; Wathington, Heather; Richburg-Hayes, Lashawn; Schneider, Emily – National Center for Postsecondary Research, 2008
Learning communities are a popular strategy that community colleges nationwide have embraced in support of developmental students. In a learning community, a cohort of students takes two or more courses linked by integrated themes and assignments that are developed through ongoing faculty collaboration. While the number of learning community…
Descriptors: Research Design, Community Colleges, Community Programs, College Programs