NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
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)
Peer reviewed Peer reviewed
Direct linkDirect link
Kelcey, Ben; Phelps, Geoffrey – Evaluation Review, 2013
Objectives: Group-randomized designs are well suited for studies of professional development because they can accommodate programs that are delivered to intact groups (e.g., schools), the collaborative nature of professional development, and extant teacher/school assignments. Though group designs may be theoretically favorable, prior evidence has…
Descriptors: Statistical Analysis, Research Design, Faculty Development, Sample Size