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Kanim, Stephen; Cid, Ximena C. – Physical Review Physics Education Research, 2020
Is physics education research based on a representative sample of students? To answer this question we skimmed physics education research papers from three journals for the years 1970-2015 looking for the number of research subjects, the course the subjects were enrolled in, and the institution where the research was conducted. We combined this…
Descriptors: Physics, Science Education, Educational Research, Demography
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Grove, Wayne A.; Wasserman, Tim; Grodner, Andrew – Journal of Economic Education, 2006
Although academic ability is the most important explanatory variable in studies of student learning, researchers control for it with a wide array and combinations of proxies. The authors investigated how the proxy choice affects estimates of undergraduate student learning by testing over 150 specifications of a single model, each including a…
Descriptors: Academic Aptitude, Educational Research, Research Methodology, Undergraduate Students
Thompson, Scott D. – Phi Delta Kappan, 1979
Defends the National Association of Secondary School Principals volume "Guidelines for Improving SAT Scores" against criticism offered in the immediately preceding article. (IRT)
Descriptors: Administrator Attitudes, Aptitude Tests, Educational Research, High Schools
Black, John A. – Phi Delta Kappan, 1979
Examines the research methods used in creating the National Association of Secondary School Principals volume "Guidelines for Improving SAT Scores." (IRT)
Descriptors: Administrator Attitudes, Aptitude Tests, Department Heads, Educational Research
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Norton, Jan – NADE Digest, 2006
Studies in education often report the differences between participants' and non-participants' test scores, course grades, retention, and other criteria. When participants' average performance is higher, it can be difficult to attribute the improvements to participation. Comparing participants and non-participants on other measures can strengthen…
Descriptors: Educational Research, Research Methodology, Comparative Analysis, Student Characteristics