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Peer reviewedNorris, Stephen P. – New Directions for Program Evaluation, 1983
Construct validation theory is founded upon conflicting metaphysical principles, methodological approaches, and standards of adequacy. This paper explores these unrecognized conflicts and indicates some consequences that these conflicts have for construct validation theory. (Author/PN)
Descriptors: Evaluation Methods, Realism, Research Needs, Research Problems
Peer reviewedBryant, Fred B.; Wortman, Paul M. – New Directions for Program Evaluation, 1984
Methods for selecting relevant and appropriate quasi-experimental studies for inclusion in research synthesis using the threats-to-validity approach are presented. Effects of including and excluding studies are evaluated. (BS)
Descriptors: Evaluation Criteria, Meta Analysis, Quasiexperimental Design, Research Methodology
