Tetrachoric correlation coefficient | definition of tetrachoric correlation coefficient by Medical dictionary
contingency table (redirected from tetrachoric correlation coefficient)
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a tabular cross-classification of data such that subcategories of one characteristic are indicated in rows (horizontally) and subcategories of another are indicated in columns (vertically).
Fig. 119 Contingency table . A contingency table for eye and hair colours in a sample population.
contingency table a method of presenting results so as to show relationships between two characters which can then be tested statistically by a modified CHI-SQUARED TEST (the heterogeneity chi-square test). For example, eye colour and hair colour might be measured in a sample population and the results presented in a contingency table.