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Welch's t-test (unequal variances) - SPSS I demonstrate how to perform Welch's t-test in Exploratory Factor Analysis in SPSS: Tutorial on Big 5 Personality. This tutorial shows how to properly run and interpret an independent samples Note that we have two lines of t test results: equal variances assumed and equal 31 Mar 2014 size, Unequal Variances (homogeneity violence is violated in Levene's test) ? . https://statistics.laerd.com/spss-tutorials/ancova-using-spss-statistics.php. 1 Feb 2019 SPSS Tutorials: Independent Samples t Test The Welch t Test is also known an Unequal Variance T Test or Separate Variances T Test. Performing Two-Sample T-Test in PASW (SPSS) there are two results from two different t-tests, one assumed equal variance and the other unequal variance.However, this requires the homogeneity assumption which states that the population variances are equal for all groups. You can safely ignore this assumption if Step-by-step instructions on how to perform a two-way ANOVA in SPSS This will make the –Equal Variances Assumed– area become active (lose the "grey This tutorial will show you how to use SPSS version 12.0 to perform one-sample t-tests, . In this example, assuming equal variances, the t value is 1.461. Step-by-step instructions on how to perform a three-way ANOVA in SPSS you how to perform Levene's test for homogeneity of variances in SPSS Statistics,