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Nonparametric Statistics2
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Educational and Psychological…2
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Kromrey, Jeffrey D.1
Parshall, Cynthia G.1
Vegelius, Jan1
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On the Utility of the E-Correlation Coefficient Concept in Psychological Research.
Peer reviewed Peer reviewed
Vegelius, Jan – Educational and Psychological Measurement, 1978
The E (for Euclidean) correlation coefficient is introduced as a general formulation of a variety of measures of association. Characteristics of the coefficient are discussed, and 23 measures of association are shown to be or not be E coefficients. (JKS)
Descriptors: Correlation, Nonparametric Statistics, Predictor Variables, Research Design
Tests of Independence in Contingency Tables with Small Samples: A Comparison of Statistical Power.
Peer reviewed Peer reviewed
Parshall, Cynthia G.; Kromrey, Jeffrey D. – Educational and Psychological Measurement, 1996
Power and Type I error rates were estimated for contingency tables with small sample sizes for the following four types of tests: (1) Pearson's chi-square; (2) chi-square with Yates's continuity correction; (3) the likelihood ratio test; and (4) Fisher's Exact Test. Various marginal distributions, sample sizes, and effect sizes were examined. (SLD)
Descriptors: Chi Square, Comparative Analysis, Effect Size, Estimation (Mathematics)