10: Hierarchical Regression

Question 1

what is a zero order correlation^2?

Answer 1

The variance explained by x, as a proportion of the total variance of y

Question 2

what is a part^2 correlation?

Answer 2

the variance uniquely explained by x as a proportion of the total variance of y

Question 3

what is partial correlation^2?

Answer 3

how much of x can be explained by y when variance from all other predictors has been removed