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Peer reviewedAlf, Edward F., Jr.; Abrahams, Norman M. – Psychometrika, 1975
In applied and experimental research, it has been demonstrated that the extreme groups procedure is more powerful than the standard correlational approach for some values of the correlation and extreme group size. Methods are provided for using the covariance information that is usually discarded in the classical extreme groups approach.…
Descriptors: Comparative Analysis, Correlation, Experimental Groups, Mathematical Models
Hermann, G. – J Exp Educ, 1969
Descriptors: Comparative Analysis, Deduction, Discovery Learning, Induction
Download full textBinkley, Marilyn, Ed.; And Others – 1995
This report discusses various methodological issues confronted in the Reading Literacy Study conducted under the auspices of the International Association for the Evaluation of Educational Achievement (IEA) and issues relating to analysis of the data. The study analyzed in the report involved fourth- and ninth-grade students (9-year-olds and…
Descriptors: Comparative Analysis, Cross Cultural Studies, Data Interpretation, Global Approach
