A researcher hypothesizes that individuals differ in their support for free speech based upon partisanship. He controls for gender and finds that women are more supportive than men for both Democrats and Republicans. What's going on here?
A) interaction
B) spuriousness
C) an additive relationship
D) a zero-order relationship

Question

Quizplus · Accepted Answer

An additive relationship is present when the effect of one independent variable (gender) is consistent across the levels of another independent variable (partisanship), showing that gender independently affects support for free speech.

A Researcher Hypothesizes That Individuals Differ in Their Support for Free