Preliminary tests of normality when comparing three independent samples
Journal article, 2016

This paper uses simulation to explore the performance of a two-stage procedure where a preliminary Shapiro–Wilk test is used to choose between ANOVA and the Kruskal–Wallis test as three-sample location test. The results suggest that the two-stage procedure actually seems to be preferable when conducting such location tests.

Kruskal-Wallis

Normality

preliminary tests

assumptions

Shapiro-Wilk

ANOVA

Author

Björn Lantz

Chalmers, Technology Management and Economics, Innovation and R&D Management

Roy Andersson

School of engineering Jönköping university

Peter Manfredsson

University of Borås

Journal of Modern Applied Statistical Methods

1538-9472 (ISSN)

Vol. 15 2 135-148

Subject Categories

Probability Theory and Statistics

DOI

10.22237/jmasm/1478002140

More information

Latest update

8/14/2024