Buss' cross-cultural research showed that on average, males are about __________ years

older than females on their wedding day.

a. 2
b. 3
c. 5
d. 7
e. 10

b. 3

Psychology

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With respect to Gordon Allport's theory, which type of trait does NOT belong with the other three?

a. source b. cardinal c. central d. secondary

Psychology

Why can we never be sure that a sample represents a population?

a. Random selection never works the way it is supposed to work. b. Samples created by random selection are almost never perfectly representative. c. A random sample may poorly represent a population, or it may accurately represent a different population. d. If selection is conducted correctly, samples always accurately represent the populations they are supposed to represent.

Psychology