Paired Samples T Tests/ Within Subjects

Question 1

What experimental design in used for paired sample t tests

Answer 1

Within subjects - repeated measures or matched ps e.g. measuring scores before and after an intervention . Comparing means

Question 2

Paired samples t test assumptions

Answer 2

Data are interval or ratio, n of at least 12 and diffs Normally distributed

Question 3

Paired samples non parametric alternative

Answer 3

Wilcoxon signed ranks test FOR RELATED SAMPLES