Why Welchs test is Type I error robust
The comparison of two means is one of the most commonly applied statistical procedures in psychology. The independent samples t-test corrected for unequal variances is commonly known as Welchs test, and is widely considered to be a robust alternative to the independent samples t-test. The properties...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Université d'Ottawa
2016-01-01
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Series: | Tutorials in Quantitative Methods for Psychology |
Subjects: | |
Online Access: | http://www.tqmp.org/RegularArticles/vol12-1/p030/p030.pdf |