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Direct linkBonett, Douglas G.; Price, Robert M., Jr. – Journal of Educational and Behavioral Statistics, 2020
In studies where the response variable is measured on a ratio scale, a ratio of means or medians provides a standardized measure of effect size that is an alternative to the popular standardized mean difference. Confidence intervals for ratios of population means and medians in independent-samples designs and paired-samples designs are proposed as…
Descriptors: Computation, Statistical Analysis, Mathematical Concepts, Effect Size
Allen, Jeff; Le, Huy – Journal of Educational and Behavioral Statistics, 2008
Users of logistic regression models often need to describe the overall predictive strength, or effect size, of the model's predictors. Analogs of R[superscript 2] have been developed, but none of these measures are interpretable on the same scale as effects of individual predictors. Furthermore, R[superscript 2] analogs are not invariant to the…
Descriptors: Regression (Statistics), Effect Size, Measurement, Models
