Test review for test 1 Research Methods

1. In a study, I find that gender is related to extraversion, which is in turn related to leadership. That is, males are more likely to be extraverted, and extraversion leads people to take on more leadership positions. What is extraversion in this example?

A. mediator

B. moderator

C. intervening variable

D. independent variable

2. Give an operational definition of generosity.

3. Which is a more reliable or statistically significant result?

A. r=.39, p<.01

B. r=.50, p<.05

C. r=-20, p<.001

D. r=.59, p<.10

4. In which section of an article would you find the authors’ interpretations of the results and their ideas for future research?

A. abstract

B. introduction

C. method

D. results

E. discussion

5. What qualities must a hypothesis have in order to be testable?

6. An approach to science whereby observations are gathered to test theoretical explanations is called

A. precise.

B. inductive.

C. deductive.

D. data oriented.

7. Control variables are

A. potential independent variables that are held constant.

B. assigned to the control group.

C. measured by the experimenter.

D. potential dependent variables that are held constant.

8. What are the independent and dependent variables in the graph above?

9. Write a one-sentence interpretation of the graph.

Dr. Love believes that people will rate their romantic partners as less attractive if they have just been exposed to a very attractive model. She brought college students into the lab and asked them to watch a short video. Some of the participants were randomly assigned to watch a video featuring an attractive model of their preferred sex. Other participants watched a video of a NASCAR race that did not feature people’s faces and bodies. After they watched the video, participants rated their own romantic partner on physical attractiveness on a 1-7 scale.

10. Write a testable hypothesis for this experiment.

11. What is/are the independent variable(s)?

12. What is/are the dependent variable(s)?

13. What are two potential confounding variables? How would you prevent the confounding?

14. What are two potential control variables?

15. Is this a within-participants or between-participants experiment?