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Roth, Wolff-Michael – Journal of Research in Science Teaching, 2011
In the wake of an increasing political commitment to evidence-based decision making and evidence-based educational reform that emerged with the No Child Left Behind effort, the question of what counts as evidence has become increasingly important in the field of science education. In current public discussions, academics, politicians, and other…
Descriptors: Science Education, Educational Research, Evidence, Definitions
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LoSchiavo, Frank M.; Shatz, Mark A. – American Psychologist, 2009
Comments on an article by J. J. Arnett regarding the assertion that American psychology focuses too narrowly on Americans while neglecting the other 95% of the world's population. The authors' comments focus on why American psychologists have become overreliant on American samples, and they provide alternative suggestions for broadening the scope…
Descriptors: Psychological Studies, Sample Size, Cross Cultural Studies, Cultural Differences
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Killeen, Peter R. – Psychological Methods, 2010
Lecoutre, Lecoutre, and Poitevineau (2010) have provided sophisticated grounding for "p[subscript rep]." Computing it precisely appears, fortunately, no more difficult than doing so approximately. Their analysis will help move predictive inference into the mainstream. Iverson, Wagenmakers, and Lee (2010) have also validated…
Descriptors: Replication (Evaluation), Measurement Techniques, Research Design, Research Methodology
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Suen, Hoi K. – Topics in Early Childhood Special Education, 1992
This commentary on EC 603 695 argues that significance testing is a necessary but insufficient condition for positivistic research, that judgment-based assessment and single-subject research are not substitutes for significance testing, and that sampling fluctuation should be considered as one of numerous epistemological concerns in any…
Descriptors: Evaluation Methods, Evaluative Thinking, Research Design, Research Methodology
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Da Prato, Robert A. – Topics in Early Childhood Special Education, 1992
This paper argues that judgment-based assessment of data from multiply replicated single-subject or small-N studies should replace normative-based (p=less than 0.05) assessment of large-N research in the clinical sciences, and asserts that inferential statistics should be abandoned as a method of evaluating clinical research data. (Author/JDD)
Descriptors: Evaluation Methods, Evaluative Thinking, Norms, Research Design
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Knapp, Thomas R. – Mid-Western Educational Researcher, 1999
Presents an opinion on the appropriate use of significance tests, especially in the context of regression analysis, the most commonly encountered statistical technique in education and related disciplines. Briefly discusses the appropriate use of power analysis. Contains 47 references. (Author/SV)
Descriptors: Data Interpretation, Educational Research, Effect Size, Hypothesis Testing
Poirot, James L.; Knezek, Gerald A. – Computing Teacher, 1992
This third in a series of articles on work conducted at the Texas Center for Educational Technology and the University of North Texas focuses on research designs for teachers to determine the impact of technology in the classroom. Highlights include research and the scientific method; qualitative versus quantitative research; and statistical…
Descriptors: Computer Assisted Instruction, Educational Research, Educational Technology, Elementary Secondary Education
Thompson, Bruce – 1987
This paper evaluates the logic underlying various criticisms of statistical significance testing and makes specific recommendations for scientific and editorial practice that might better increase the knowledge base. Reliance on the traditional hypothesis testing model has led to a major bias against nonsignificant results and to misinterpretation…
Descriptors: Analysis of Variance, Data Interpretation, Editors, Effect Size