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Multiple Choice Quiz
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1
The only technique that can establish cause-and-effect relationships between variables is:
A)Correlational research.
B)Experimental research.
C)Naturalistic observation.
D)Case history study.
2
Dr. Mullins wishes to do a study to show that placing orange barrels in crosswalks causes fewer pedestrian injuries. To show that the barrels cause a reduction in injuries would involve this type of study:
A)Survey.
B)Experimental.
C)Archival.
D)Correlational.
3
Dr. Herter Morrill is attempting to determine the effect of a drug education treatment program on the use of illegal substances among college students. He randomly assigns one group of students to attend educational sessions for 6 weeks and assigns another group to attend weekly discussions about sports. The group that is exposed to the educational sessions is known as the:
A)Control group.
B)Dependent group.
C)Experimental group.
D)Outcome group.
4
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 men's room and a roll of brown, thin paper sheets in another men's room. Her assistant counts 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 subject.
5
A psychologist wants to study the effect of attractiveness on willingness to help a person with a math problem. Attractiveness would be the _____________ variable:
A)Dependent.
B)Confounding.
C)Independent.
D)Irrelevant.





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