A Nonparametric K-Sample Test for Equality of Slopes.

Penfield, Douglas A.; Koffler, Stephen L.

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Peer reviewed

ERIC Number: EJ342053

Record Type: CIJE

Publication Date: 1986

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A Nonparametric K-Sample Test for Equality of Slopes.

Penfield, Douglas A.; Koffler, Stephen L.

Educational and Psychological Measurement, v46 n3 p537-42 Aut 1986

The development of a nonparametric K-sample test for equality of slopes using Puri's generalized L statistic is presented. The test is recommended when the assumptions underlying the parametric model are violated. This procedure replaces original data with either ranks (for data with heavy tails) or normal scores (for data with light tails). (Author/JAZ)

Descriptors: Mathematical Models, Nonparametric Statistics, Regression (Statistics), Sampling, Scores, Statistical Studies, Test Theory

Publication Type: Journal Articles; Reports - Research

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Language: English

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