Table 2.
Independent Variable | Dependent Variable | ||
---|---|---|---|
Dichotomous | Continuous (normal distribution) | Continuous (distribution is not normal) | |
Dichotomous | χ2 (large numbers) or Fisher’s exact test (small numbers) | t test (2 groups) or ANOVA (for more than 2 groups) | Nonparametric tests Wilcoxon rank sum test Kruskal-Wallis test |
Continuous | t test or ANOVA | Pearson’s correlation coefficient | Spearman’s rank correlation coefficient |
ANOVA=analysis of variance.