A researcher wants to know whether writing an essay on a controversial topic will have an effect on the attitudes held by people.First,she administers an attitude survey that covers a number of topics,including electronic voting machines.She then randomly assigns subjects to write an essay either supporting or opposing the use of electronic voting machines.One week later,she administers the same attitude survey and compares those responses to the responses from the first time the survey was administered.In this experiment,the dependent variable (DV)is ________.

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is being measured and compared in the study. In this experiment, the only variable that is being measured and compared is the attitudes held by people towards various topics, including electronic voting machines, before and after writing an essay on a controversial topic. Therefore, the dependent variable is the attitude survey.

A Researcher Wants to Know Whether Writing an Essay on a Controversial