Amy's 10K time is significantly faster when she runs it with others than when she runs by herself. Amy's observation confirms those made over a century ago by:
A) E. O. Wilson.
B) Kurt Lewin.
C) Margaret Mead.
D) Norman Triplett.
D) Norman Triplett.
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Studies of pregnant women show that they
a. often report feeling physically unattractive during this period. b. may show decreased concern about their bodily functions, other than the pregnancy itself. c. show a uniform decrease in sexual arousal throughout pregnancy. d. show a uniform increase in negative feelings throughout pregnancy.
Which ethnic group tends to have fewer two-parent families?
a. Latino families b. European-American families c. Asian families d. Ethnicity is unrelated to parent configuration
Which of the following are examples of opioids?
a. Chemicals in the poppy b. Hydrocodone c. Enkephalins d. All of these
Regarding neurotransmitters, which of the following statements is FALSE?
a. Slight variations in neurotransmitter function may be related to temperament differences in infancy and personality differences in adulthood. b. Too much acetylcholine may cause schizophrenia. c. Too little serotonin may underlie depression. d. Some neurotransmitters are used by specific "pathways" that interlink regions of the brain which prevents the intermixing of messages.