What is the reason why there is a discrepancy between p values of Jasp and SPSS for Wilcoxon test?

I run a Wilcoxon test for the folowing data: pretest: 63 75 75 74 65 63 and post test: 70 48 65 60 68 57 I obtained a W of 17 for a p level of 0.219. I used SPSS for the same data, I have a p...

07 May 2020 2,866 3 View