nonparametric test

a type of hypothesis test that does not make any assumptions (e.g., of normality or homogeneity of variance) about the population of interest. Nonparametric tests generally are used in situations involving nominal or ordinal data. Also called distribution-free test; nonparametric hypothesis test. Compare parametric test.

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Psychology term of the day

November 24th 2024

R-technique factor analysis

a type of factor analysis performed on a correlation matrix: It examines associations between variable measurements in order to understand how the variables themselves group together and are related. Also called R factor analysis. Compare P-technique factor analysis; Q-technique factor analysis.