Delia gives students a questionnaire on attitudes toward affirmative action. Then she shows her participants a movie on affirmative action. Then the participants fill out the same questionnaire again. Which of the following problems is most likely in Delia's study?
A) Reactive measures
B) Selection
C) Nonreactive measures
D) Type III error

Question

Quizplus · Accepted Answer

Delia's study is likely to encounter reactive measures because the participants' responses on the second questionnaire may be influenced by the movie they watched, rather than reflecting their true attitudes.

Delia Gives Students a Questionnaire on Attitudes Toward Affirmative Action