Wilcoxon Signed Ranks Test

IB Psychology: 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 distribution...

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