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Nonparametric Statistics2
Correlation1
Expectancy Tables1
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Educational and Psychological…2
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Vegelius, Jan1
Zalinski, James1
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Computing Tables for the Tetrachoric Correlation Coefficient.
Peer reviewed Peer reviewed
Zalinski, James; And Others – Educational and Psychological Measurement, 1979
A set of tables for determining tetrachoric correlations is presented. The coefficients have been determined to three-decimal accuracy. (JKS)
Descriptors: Correlation, Expectancy Tables, Nonparametric Statistics, Tables (Data)
Significance Tests for the G-Index.
Peer reviewed Peer reviewed
Vegelius, Jan – Educational and Psychological Measurement, 1981
The G index is a measure of the similarity between individuals over dichotomous items. Some tests for the G-index are described. For each case an example is included. (Author/GK)
Descriptors: Hypothesis Testing, Mathematical Formulas, Mathematical Models, Nonparametric Statistics