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Problems with Multivariate Normality: Can the Multivariate Bootstrap Help?
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Thompson, Bruce – 1996
Multivariate normality is required for some statistical tests. This paper explores the implications of violating the assumption of multivariate normality and illustrates a graphical procedure for evaluating multivariate normality. The logic for using the multivariate bootstrap is presented. The multivariate bootstrap can be used when distribution…
Descriptors: Computer Assisted Testing, Computer Software, Correlation, Statistical Distributions
Computing Correct Confidence Intervals for ANOVA Fixed- and Random-Effects Effect Sizes.
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Fidler, Fiona; Thompson, Bruce – Educational and Psychological Measurement, 2001
Illustrates the computation of confidence intervals for effect sizes for some analysis of variance applications and shows how the use of intervals involving noncentral distributions is made practical by new software. (SLD)
Descriptors: Analysis of Variance, Computation, Computer Software, Effect Size