Why Psychologists Should by Default Use Welch’s t-test Instead of Student’s t-test
When comparing two independent groups, psychology researchers commonly use Student’s 't'-tests. Assumptions of normality and homogeneity of variance underlie this test. More often than not, when these conditions are not met, Student’s 't'-test can be severely biased and lead to i...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Ubiquity Press
2017-04-01
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Series: | International Review of Social Psychology |
Subjects: | |
Online Access: | https://www.rips-irsp.com/articles/82 |