Statistical test Choice

Question 1

Nominal data, 
two samples (independent)

Answer 1

Chi square

If values <5, Fishers exact test

Question 2

Nominal data, related or paired samples ( crossover or pre/post design)

Answer 2

Mcnemar test

Question 3

Nominal data, 3 or more independent samples

Answer 3

Chi-square (bonferroni)

Question 4

Nominal data, 3 or more related samples

Answer 4

Cochran Q

Question 5

Nominal data, measures of correlation

Answer 5

Contingency coefficient

Question 6

Ordinal data, 2 samples (independent)

Answer 6

Mann Whitney U test

Or Wilcoxon rank sum

Question 7

Ordinal data, 2 related samples

Answer 7

Wilcoxon signed rank test

Question 8

Ordinal data, 3 or more independent samples

Answer 8

Kruskal Wallis one-way ANOVA

Question 9

Ordinal data, 3 or more related samples

Answer 9

Friedman ANOVA

Question 10

Ordinal data, measures of correlation

Answer 10

Spearman
Kendal rank
Kendal coe

Question 11

Continuous data, two independent samples

Answer 11

students t-test

Question 12

Continuous data, two related or paired samples

Answer 12

Paired t-test

Question 13

Continuous data, 3 or more independent samples

Answer 13

One-way ANOVA

Question 14

Continuous data, 3 or more related samples

Answer 14

Two-way ANOVA (repeated measures ANOVA)

Question 15

Continuous data, measures of correlation

Answer 15

Pearson’s Correlation