Nadine is considering the "dress well,test well" theory,which argues that one performs better on exams when one dresses nicer than one does when wearing sweatpants.If Nadine wants to test this theory over the course of the semester,which of the following would be an endogenous factor in her experiment?
A) her innate ability in the subject
B) the difficulty of the exam
C) the relative mix of multiple-choice and short-answer questions
D) her clothing choice for the exam
E) the amount of time Nadine spends studying for the exam

Question

Quizplus · Accepted Answer

Clothing choice for the exam is an endogenous factor as it is directly related to the hypothesis being tested - the "dress well,test well" theory. The other options are not directly related to the independent variable (clothing choice) and are therefore exogenous factors in this experiment.

Nadine Is Considering the "Dress Well,test Well" Theory,which Argues That