Question : 11. Asking students to come to a laboratory at 3 p.m. : 1198576

11. Asking students to come to a laboratory at 3 p.m. in order to participate in a study on university students’ usage of cellular phones is an example of what type of research? 
A. correlational research
B. experimental research
C. laboratory research
D. field research

12. Standing in the campus courtyard with a clipboard to record your observations of university students’ usage of cellular phones is an example of what type of research? 
A. correlational research
B. experimental research
C. laboratory research
D. field research

13. The study of naturally occurring relationships among variables is referred to as 
A. correlational research.
B. experimental research.
C. laboratory research.
D. field research.

14. In order to determine whether or not changing one variable (such as education) will produce changes in another (such as income), one needs to conduct _______ research. 
A. survey
B. correlational
C. experimental
D. statistical

15. Studies that seek clues to cause-effect relationships by manipulating one or more factors while controlling others describes what type of research? 
A. correlational research
B. experimental research
C. laboratory research
D. field research

16. A psychiatrist tells you that she is interested in determining if the condition of individuals who are clinically depressed improves with either 20 or 40 milligrams of Prozac. She decides to administer 20 milligrams to a random half of her clients, and 40 milligrams to the other half. She finds that after 6 months, the clients who took 40 milligrams of Prozac are significantly less depressed than those clients who took 20 milligrams of Prozac. Which type of study did the psychiatrist conduct? 
A. correlational research
B. experimental research
C. controlled research
D. hypothetical research

17. You’ve noticed that as the temperature drops outside, you see more students wearing sweaters and heavy coats. Your observation is most similar to 
A. correlational research.
B. experimental research.
C. controlled research.
D. hypothetical research.

18. Variable X is correlated with Variable Y. Which of the following could explain this correlation? 
A. X causes Y.
B. Y causes X.
C. A third variable causes or influences both X and Y.
D. All of these are possible explanations.

19. You are interested in finding out the effect that crowding has on people’s moods. You conduct a study in a psychology research lab using two types of participants – participants who have to wait in a crowded waiting room before completing a measure of their mood, and participants who wait in an empty room before completing the same measure. Which type of research did you conduct? 
A. correlational research
B. experimental research
C. laboratory research
D. both experimental and laboratory research

20. Your psychology professor tells you that she is collecting data on the amount that students study and their grades (i.e., she is asking each student to report how many hours he/she studies each week, so that she can determine if there is a relationship between hours spent studying and grades). Which type of research is this? 
A. correlational research
B. experimental research
C. controlled research
D. hypothetical research