Deck 20: Regression and Multiple Regression

Question 1

2) In a multiple regression analysis the standardised coefficients:

A) Are problematic if their tolerance value is high
B) Are the same value as the correlation between the predictor and the dependent variable taken on its own
C) Cannot be compared on the basis of size
D) Can be interpreted as contributing more to the overall prediction the larger they are

Answer 1

D

Question 2

3) To correlate two truly dichotomous variables which of the following can be used?

A) Pearson's product moment correlation
B) Spearman's rank correlation
C) The point biserial correlation
D) The phi coefficient

Answer 2

D