After reading Chapter 2 (Methodology), what would you say to a president who proudly takes credit for the following events happening during his term: lowering the deficit, reducing crime, and increasing literacy?
a. "It's clear you were effective—you have my vote!"
b. "Correlation does not mean causation."
c. "Did you sample the entire population?"
d. "Archival data are often suspect."
Answer: B
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If you sent a survey to a representative sample of 10,000 graduating high school seniors asking them to report whether or not they had ever used alcohol, you should expect that about _____ would respond "yes."
a. 2,500 b. 4,000 c. 7,000 d. 9,000
Understanding people's attitudes is valuable to psychologists because they
a. are useful for studying the interaction between the conscious and the unconscious in our psyches. b. help to predict people's future behavior and responses. c. are the most important personality variables. d. represent the clearest expression of our underlying needs and emotions.