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Jacob, Robin; Zhu, Pei; Bloom, Howard – Journal of Research on Educational Effectiveness, 2010
This article provides practical guidance for researchers who are designing studies that randomize groups to measure the impacts of educational interventions. The article (a) provides new empirical information about the values of parameters that influence the precision of impact estimates (intraclass correlations and R[superscript 2] values) and…
Descriptors: Research Design, Research Methodology, Educational Research, Intervention
Peer reviewed Peer reviewed
Madaus, George F.; Linnan, Roger – School Review, 1973
The purpose of this paper is twofold: first, to survey the research on secular and sectarian effects of Catholic elementary and secondary schools, and second, to discuss value questions underlying any consideration of Catholic education and Catholic schools. (Author/RK)
Descriptors: Academic Achievement, Catholic Schools, Cognitive Measurement, Educational Research