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Recently, linear programming models for test construction were developed. These models were based on the information function from item response theory. In this paper another approach is followed. Two 0-1 linear programming models for the construction of tests using classical item and test...
This study examined the Type I error and power properties of the rank transform test when employed in the context of a balanced 2x2x2 fixed effects ANOVA. The results showed the rank transform procedure to be erratic with respect to both Type I error and power. Under some circumstances the test...
Introductory statistics texts have been noted to have inaccuracies in the tables of critical values for Spearman's correlation. Even the best texts currently available use critical values from the exact distribution only for N? 11. Zar's table gives critical values for N ? 100 but does not use...
The internal correlation, a measure of dependency in a set of variables, is discussed and generalized. This coefficient is an upper bound to the product moment correlations, multiple correlations, and canonical correlations that can be defined in a set of variables. Applications of the internal...
Numerous papers have shown that the conventional F test is not robust to unequal variances in the one-way fixed effects ANOVA model, and several methods have been proposed for dealing with this problem. Here I describe and compare two methods for handling unequal variances in the two-way fixed...
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