The researcher notices that the vocabulary level is also associated with intelligence level, so he determines that the research design must hold the level of intelligence constant to get a good idea of the relationship between pleasure reading and vocabulary level. Intelligence here is an example of what type of variable?
A) moderator variable
B) dependent variable
C) control variable
D) extraneous variable

Question

Quizplus · Accepted Answer

Intelligence is a variable that needs to be controlled in order to determine the true relationship between pleasure reading and vocabulary level. Therefore, it is a control variable.

The Researcher Notices That the Vocabulary Level Is Also Associated