If you have a difference score of 0, it should be eliminated and N reduced by one for A) Wilcoxon matched-pairs signed-ranks T test B) Spearman r_s C) both of the descriptive alternatives are correct D) neither of the descriptive alternatives is correct.

Question

Quizplus · Accepted Answer

In the Wilcoxon matched-pairs signed-ranks T test, if a pair has a difference score of 0, it is eliminated from the analysis, and the sample size (N) is reduced by one. This is because the test only considers differences that are not zero to rank the differences in order of magnitude.

If You Have a Difference Score of 0, It Should