Question

True or false

1. Researchers should be careful to control for colliders and confounders, but avoid controlling for mediators.

2. The only way to control for a possible confounder is to measure it and include it as a predictor in your regression model.

3. Homoskedasticity in regression is the same assumption as Homogeneity of Variance in ANOVA

4. Multilevel models offer one solution to violations of the assumption of independent observations.

5.The assumption of normality states that the values of the continuous predictor variables come from a population distribution that is normal.

Answer 1

1. Researchers should be careful to control for colliders and confounders, but avoid controlling for mediators.

False

2. The only way to control for a possible confounder is to measure it and include it as a predictor in your regression model.

False

3. Homoskedasticity in regression is the same assumption as Homogeneity of Variance in ANOVA

True

4. Multilevel models offer one solution to violations of the assumption of independent observations.

False

5.The assumption of normality states that the values of the continuous predictor variables come from a population distribution that is normal.

True