In general, which is the first sign that boys are starting puberty?

a. They have a growth spurt.
b. Their voices become deeper.
c. They develop facial hair.
d. Their testes begin to grow.


Answer: D

Psychology

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The WRC has created the CHEERS project, which provides

a. passengers to observe drivers. b. free cab rides. c. designated drivers. d. a stay-at-home-and-party mentality.

Psychology

____________ has the highest rate of modern methods of contraception use, according to 2009 data

a. Australia c. United States b. Cuba d. China

Psychology

Two-year-old Calvin said, "My cup falled," when his cup fell off the table. Calvin's error is known as an

A) underregularization. B) underextension. C) overregularization. D) overextension.

Psychology

According to the self-perception theory of attitudes, what do individuals do to make inferences about their attitudes?

A. They ask a friend. B. They assess their emotions. C. They perceive their behavior. D. They compare themselves to others.

Psychology