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Tipton, Elizabeth; Olsen, Robert B. – Educational Researcher, 2018
School-based evaluations of interventions are increasingly common in education research. Ideally, the results of these evaluations are used to make evidence-based policy decisions for students. However, it is difficult to make generalizations from these evaluations because the types of schools included in the studies are typically not selected…
Descriptors: Intervention, Educational Research, Decision Making, Evidence Based Practice
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Ercikan, Kadriye; Roth, Wolff-Michael – Educational Researcher, 2006
In education research, a polar distinction is frequently made to describe and produce different kinds of research: "quantitative" versus "qualitative." In this article, the authors argue against that polarization and the associated polarization of the "subjective" and the "objective," and they question the attribution of generalizability to only…
Descriptors: Educational Research, Inquiry, Qualitative Research, Statistical Analysis
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Shaver, James P. – Educational Researcher, 1983
Explores problems involved in the quantitative verification of independent variables in investigations of the effects on student outcomes of planned variations in instructional behavior. Specifically addresses (1) gathering of data through direct systematic observation, and (2) analysis of those data through the use of inferential statistics. (GC)
Descriptors: Data Analysis, Data Collection, Educational Research, Observation
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Wick, John W.; Dirkes, Carolyn – Educational Researcher, 1973
Presents the characteristics of 199 studies included in the most recent volume of dissertation abstracts with tables: categorizing the studies by type; summarizing the use of different independent variables, and design considerations; tabulating the types of measures mentioned; and presenting data analysis techniques and sampling plans. (Author/JM)
Descriptors: Abstracts, Data Collection, Data Processing, Doctoral Dissertations