At the beginning of emerging adulthood, age 18, about __________ of Americans have had intercourse at least once, and by age 25 nearly __________ emerging adults have had intercourse at least once.
A. one-quarter; one-half
B. one-half; all
C. three-quarters; all
D. 90%; all
Answer: B
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Imitation is said to occur
a. when any act tried once is repeated. b. only in response to another person engaging in the same behavior. c. without thought. d. only reflexively.
As a behavioral geneticist, Juan would most likely be studying a. the maze-learning behavior of rats
b. the evolution of intelligence. c. a gene that is believed to cause shyness. d. the physiological structure of a gene.
Singles
a. continue to be stereotyped. b. are usually promiscuous. c. are usually socially inept or maladjusted. d. are generally mentally healthier than married people.
The statement "If it rains, then there will be no baseball game" is
a. Logically valid and true b. Logically valid and false c. Not logically valid, but true d. Logically valid, and dependent upon the first clause for truth