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Peer reviewedSarkin, Andrew J.; Tally, Steven R.; Cronan, Terry A.; Matt, Georg E.; Lyons, Heather W. – Evaluation and Program Planning, 1997
A strategy proposed by T. Cook and D. Campbell (1979) was used to investigate attrition in a community-based literacy program, focusing on 287 Head Start families. Data revealed interactions among intervention program-centered characteristics and person-centered characteristics that have implications for study validity and generalizability.…
Descriptors: Attrition (Research Studies), Community Programs, Dropouts, Generalization
Peer reviewedWoodhead, Martin – Oxford Review of Education, 1985
British and U.S. preschool intervention projects are now reporting dramatic long-term follow-up findings that appear to vindicate the claim that preschool can serve as an "innoculation against failure," especially with disadvantaged children. However, important questions remain about the generalizability of these effects in other…
Descriptors: Comparative Education, Disadvantaged, Educational Research, Foreign Countries
