jamovi

This is because you ran a Shapiro-Wilk on both variables. A paired t-test is specifically interested in the difference in each pair of scores , and so the singular (non-significant) Shapiro-Wilk is actually testing the distribution of these differences - which is an assumption of this particular pa...

Hi, so I want to compare two dependent variables that do not meet the criteria for t-test because Shapiro-Wilk test is sigificant in both cases. I ran a t-test nonetheless in order to be able to get Wilcoxon W. When ticking the "normality test" box, jamovi suddenly showed me a non-signific...