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Download full textSulkin, Howard A.; And Others – 1971
Some of the requirements and consequences of rigorous and valid educational evaluation research are explored in terms of problems in achieving two types of external validity, population and ecological. The former refers to the generalizability of inferences to subjects not included in a study, while the latter is concerned with the…
Descriptors: Data Collection, Evaluation, Interpersonal Relationship, Models
Peer reviewedErickson, Frederick – Educational Researcher, 1992
Argues that the clinical trial paradigm is the wrong model for educational research. Interpretive case study research suggests that the best thing policymakers can do for educational improvement is to give local educators and school communities more freedom and funding to work out their own ways to improve practice. (SLD)
Descriptors: Case Studies, Educational Improvement, Educational Research, Educational Theories
