Why Psychologists Should by Default Use Welch’s t-test Instead of Student’s t-test Cover

Why Psychologists Should by Default Use Welch’s t-test Instead of Student’s t-test

International Review of Social Psychology

Volume 30 (2017): Issue 1

By: Marie Delacre, Daniël Lakens and Christophe Leys

Open Access

|Apr 2017

Authors

Marie Delacre

marie.delacre@ulb.ac.be

Université Libre de Bruxelles, Service of Analysis of the Data (SAD), Bruxelles

Daniël Lakens

d.lakens@tue.nl

Eindhoven University of Technology, Human Technology Interaction Group, Eindhoven

Christophe Leys

Christophe.Leys@ulb.ac.be

Université Libre de Bruxelles, Service of Analysis of the Data (SAD), Bruxelles

DOI: https://doi.org/10.5334/irsp.82 | Journal eISSN: 2397-8570

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Language: English

Published on: Apr 5, 2017

Published by: Ubiquity Press

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Keywords:

Welch’s t-test,

Student’s t-test,

homogeneity of variance,

Levene’s test,

Homoscedasticity,

statistical power,

© 2017 Marie Delacre, Daniël Lakens, Christophe Leys, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.

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