Requirements

Question 1

One way ANOVA

Answer 1

1) one quantitative OV and one categorical PV with 2 or more categories
2) independent mutually exclusive samples
3) homogeneity of variances
4) residuals normally distributed

Question 2

Factorial ANOVA / interaction

Answer 2

1) one quantitative OV and 2 or more categorical PVs with 2 or more categories
2) independent mutually exclusive samples
3) homogeneity of variances
4) residuals normally distributed

Question 3

Normal regression

Answer 3

One quantitative OV and at least some quantitative PVs
1) independence of observations / samples
2) linear relationship between PV and OV
3) no influential outliers
4) homoscedasticity (error variances the same)
5) no multicollinearity
6) normality of residuals