This is a repeated measures analysis with movement in nine people with Multiple Sclerosis at two timepoints (an intervention was given between pre-test and post-test). The hypothesis was that movement would be greater after the intervention. Look at the output:

15. Which is the appropriate probability value to report?

a) .040

b) .063

c) .031

d) .023

Ranks N Mean rank Sum of ranks movement at posttest Negative Ranks 1 2.00 2.00 -movement at protost Positive Ranks 6 4.33 26.00 Ties 2 Total 9 a. movement at posttest < movement at pretest b. movement at posttest > movement at pretest c. movement at posttest movement at pretest Test Statistics Movement at posttest - movement at protost Z -2.058 Asymp. Sig. (2-tailed) .040 Exact Sig. (2-tailed) .063 Exact Sig. (1-tailed) .031 Point Probability .023 a. Based on negative ranks b. Wilcoxon Signed Ranks Test