A researcher compares people who have gone to college with those who have not. He predicts and finds that people with a college education are less likely to smoke or drink than those who never went. In this example, the researcher is using
A. randomly assigned participants.
B. a manipulated independent variable.
C. a nonmanipulated independent variable.
D. a correlation coefficient.
C
You might also like to view...
Suppose that you read an article that reports gender differences in aggression in Culture A, but gender similarities in aggression in Culture B. How would the social constructionist perspective explain these results?
a. Evolutionary forces operated differently in the two cultures. b. Each culture creates its own definition of aggression. c. Aggressive behavior is favored by the school system in Culture A, but not in Culture B. d. Both cultures have adopted an essentialist perspective on gender differences.
In simple random sampling, ________.
A. each member of the population must volunteer for the sample B. each member of the population has an equal chance of being in the sample C. selection of each member from the population depends on who is already in the sample D. selection of each member from the population is based on certain characteristics of the member
To analyze the data from a 2 x 2 factorial experiment, you should conduct:
A) a t-test B) a two-way analysis of variance (ANOVA) C) a four-way analysis of variance (ANOVA) D) a factorial analysis contingency test (FACT)
Which of the following conditions is more likely to occur in a man than in a woman?
a. an eating disorder b. color-blindness c. obsessive-compulsive disorder d. a sleep disorder