Integrating Analyses

Question 1

When are non-parametric tests used?

Answer 1

When data is not normally distributed

Question 2

Which non-parametric test is used instead of independent t-test?

Answer 2

Mann-Whitney

Question 3

Which non-parametric test is used instead of paired t-test?

Answer 3

Wilcoxon

Question 4

Which non-parametric test is used instead of Pearson’s correlation?

Answer 4

Spearman’s Rho

Question 5

Reporting a significant result for Mann-Whitney

Answer 5

Category 1 (median = …) compared to category 2 (median = …).
A Mann-Whitney test showed … (Mann-Whitney U = … , p = …)
Interpretation

Question 6

Reporting a significant result for the Wilcoxon test

Answer 6

There was a significant difference between V1 (median = …) and V2 (median = …. ; Z= … , p = …)
Interpretation

Question 7

Reporting a significant result for Spearman’s Rho

Answer 7

Spearman’s correlation showed that there is a very strong (direction) correlation between the variables
A Spearman’s Rho test showed this relationship was significant, rs = …. , p = ….
Interpretation