Dr. Penny Dollar is a health psychologist interested in getting more people to wash their hands after using the restroom. She places a stack of attractive terry cloth towels in one

Question

men’s room and a roll of brown, thin paper sheets in another men’s room in the same building.Her assistants count the number of men who wash their hands in each men’s room. What is the dependent variable in Dr. Dollar’s study?
a) type of towel (terry cloth or paper)b) size of rest room
c) whether subjects wash their hands or not
d) gender of subjects