ANOVA 0.0 / 5 ? PsychologyRMUniversityNone Created by: ava234Created on: 09-05-22 19:28 What does ANOVA do? Compares mean scores across 2 or more conditions - reduced the error that multiple t-tests could have. 1 of 8 Key assumptions of a one way ANOVA... homogeneity of variance normally distributed data independence of observations Types of variables no significant outliers sphericity assumption 2 of 8 Homogeneity of Variance... the distribution of scores around the mean should be equal. tested by the Levene's test (SPSS) 3 of 8 Normally distributed data... data should be normally distributed 4 of 8 independence of observation... different participants in each group 5 of 8 Types of variables... DV - interval or ratio (continuous) IV- three or more categorical groups 6 of 8 No significant outliers made detectable by SPSS 7 of 8 Sphereicty assumption homogenity of variance between conditions. tested using mauchly's test (SPSS). 8 of 8
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