In Correlational Analyses That Involve More Than One Independent Variable

Multiple Choice

In correlational analyses that involve more than one independent variable, the assumption of additivity means that

A) all the independent variables have linear relationships with the dependent variable.
B) the sum of the correlations between the independent variables and dependent variables equals 1.
C) all the independent variables have the same type of relationship (positive or negative) with the dependent variable.
D) there are no interactions between any of the independent variables.