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Direct linkJamil, Tahira; Marsman, Maarten; Ly, Alexander; Morey, Richard D.; Wagenmakers, Eric-Jan – Educational and Psychological Measurement, 2017
In 1881, Donald MacAlister posed a problem in the "Educational Times" that remains relevant today. The problem centers on the statistical evidence for the effectiveness of a treatment based on a comparison between two proportions. A brief historical sketch is followed by a discussion of two default Bayesian solutions, one based on a…
Descriptors: Bayesian Statistics, Evidence, Comparative Analysis, Problem Solving
Peer reviewedCoons, David F. – Educational and Psychological Measurement, 1978
A concise method for computing areas under the normal curve using only functions typically found on desk and hand calculators is given. One version of this method will give three-decimal-pace accuracy, and a second, simpler version gives accuracy to two places. (Author/JKS)
Descriptors: Computation, Hypothesis Testing, Statistical Data, Tables (Data)
Peer reviewedRoth, Gary L.; Daniel, Wayne W. – Educational and Psychological Measurement, 1978
A table of critical values is presented for use with Chacko's ordered alternatives test for the analysis of variance. (Author/JKS)
Descriptors: Analysis of Variance, Hypothesis Testing, Research Design, Statistical Data
Peer reviewedMessick, David M. – Educational and Psychological Measurement, 1982
Formulae and graphs are presented allowing computation of the variances of three prototypical distributions over a finite number of categories. The uses of the variances of the maximum variance distribution, the uniform distribution and a unimodal triangular distribution to make inferences about distribution shapes are shown in several examples.…
Descriptors: Analysis of Variance, Hypothesis Testing, Responses, Statistical Analysis
