Wilcoxon Signed Ranks Test
The Wilcoxon Signed Ranks test is used when a study has a repeated measures design, meaning that the same participants take part in both conditions. It is well-suited to the small sample sizes typical of class practicals. Because small samples often do not produce normally distributed data and may contain outliers, it is usually better to use the Wilcoxon Signed Ranks test rather than more powerful parametric tests,...