Wilcoxon Signed Ranks Test
When writing the IA, nothing seems to worry students (and teachers) more than the application of inferential statistics. And yet - it is actually not as difficult as it may seem. The Wilcoxon Signed Ranks test is used when we have a repeated measures design. The Wilcoxon Signed Ranks test is a safe test to use for the small sample sizes that are typical of the IA. Also, since we often do not have a standard...