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Kruskal-Wallis Test

Statistics & analysis

Definition

The non-parametric alternative to one-way ANOVA: compares three or more independent groups using ranks instead of means.

Where it's used

  • Comparing satisfaction across three departments when scores are skewed
  • Ordinal-outcome comparisons across multiple groups

Software used

SPSSRJASP

Related concepts

ANOVAMann-Whitney U Testp-valueAverage Variance Extracted (AVE)BootstrappingChi-square Test
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Guides that use this concept

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Sampling Methods in Research: Types, Selection & Justification

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How to Choose the Right Statistical Test: A Decision Guide

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Qualitative vs Quantitative vs Mixed Methods: Which Fits Your Study?

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Reliability and Validity Explained (With Examples)

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Mentoring for this area:Questionnaire DesignSamplingSPSS

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