If we find that there is a positive correlation between variable x and variable y, which of the following is true?
a. X causes y.
b. Y causes x.
c. There are common-causal variables that cause both x and y.
d. Any of the above possibilities may be correct.
d
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Which of the following is an example of base-rate information? a. Florida panthers weigh about a hundred pounds. b. Florida panthers eat deer and rabbits
c. Florida panthers are rare. d. Florida panthers are active mostly at night.
What best describes marriage and sexual relations in ancient Rome? a. They involved couples coming together through passionate love
b. They were seen as a means to improve one's economic and social standing. c. They emphasized male dominance and a lack of respect for women. d. They had many restrictions handed down from the rulers and leaders.
The increase in the prevalence of asthma has been blamed on a number of factors, including ____
a. synthetic pillow fill b. seasonal allergies c. cockroaches d. alcohol
External validity is mostly concerned with
a) The accuracy of experimental hypotheses b) The importance of applying the findings of experiments to different samples c) The generalizability of the findings beyond the setting and sample of the experiment d) The validity and appropriateness of using lab research in natural settings