Which neurotransmitter activates voluntary movements and reinforces behavior?
A) dopamine
B) norepinephrine
C) acetylcholine
D) serotonin
E) GABA
Answer: A
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Males with congenital adrenal hyperplasia (CAH) a. show few physical or behavioral effects
b. experience abnormalities in their internal organs. c. have underdeveloped external genitalia. d. have overdeveloped external genitalia.
Casey wants to start eating healthy foods. She has purchased books on the topic and even enrolled in a nutrition class for next semester. According to Prochaska's stages of change model, Casey is most likely in the __________ stage of readiness.
A. contemplation B. preparation C. action D. maintenance
An experimenter is conducting a factorial study in which she is examining the effects of threat (low vs. high) and reward (none, small, and large) on risk taking. Which of the following would NOT be one of the treatment conditions in this study?
a. high risk and low threat c. high threat and small reward b. low threat and large reward d. high threat and no reward
Playing "hide-and-seek" is an example of
a. make-believe play. c. parallel play. b. associative play. d. cooperative play.