Fri 11 Nov, 2011 11:46 am - Thank you. The scores are psychological scales. If I use the Mann Whitney, is there an effect size calculation I can use? (view)
Fri 11 Nov, 2011 09:19 am - I have two small groups that I want to compare scores on. One has 26 subjects, and the other 9 (this group was an ad hoc group). The groups are matched demographically. Can I use a t-test to... (view)