chapter 14 (partial correlation & multiple regression)

Question 1

partial correlation

Answer 1

a multivariate technique for examining bivariate relationship while controlling for other variables.

Question 2

control variables

Answer 2

a “third variable” (Z) that might affect a bivariate relationship.

Question 3

direct relationship

Answer 3

a multivariate relationship in which the control variable has no effect on the bivariate relationship.

Question 4

spurious relationship

Answer 4

multivariate relationship in which the bivariate relationship becomes substantially weaker after controlling for a third variable. the independent (X) and dependent (Y) variables are not causally linked. rather, both variables are caused by the control variable (Z).

Question 5

intervening relationship

Answer 5

a multivariate relationship in which the bivariate relationship becomes substantially weaker after controlling for a third variable. the independent (X) and dependent (Y) variables are linked primarily through the control variable (Z).

Question 6

zero-order correlations

Answer 6

correlation coefficients for bivariate relationships.

Question 7

partial correlation coefficients

Answer 7

statistic that shows the relationship between two variables while controlling for other variables.