According to recent research, which of these increase risk-taking behavior in adolescents?
A. synaptic expansion and the thinning of white matter
B. the neurotransmitters epinephrine and histamine
C. synaptic pruning and the thinning of gray matter
D. the neurotransmitters serotonin and dopamine
Answer: D
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Elderly people do not contract sexually transmitted diseases.
Answer the following statement true (T) or false (F)
Studies of children’s temperaments from 3 months of age to 13 years old found that girls, compared to boys, were rated _______.
a. higher in effortful control b. as better able to regulate their attention c. both of the above d. neither of the above
In the 1970s, a 13-year-old girl was found locked up in a room, strapped to a potty chair. Because she had grown up in a world without human speech, researchers studied "Genie's" ability to acquire words, grammar, and pronunciation. This type of research is called ________________________ because a lot of data were gathered about a single case.
a) a case study b) a representative sample c) a single-blind study d) a naturalistic observation
The majority of people report their favorite activity in the evening is
a. participating in their favorite sports activity b. creating works of art or crafts such as weaving and painting c. watching television d. talking to family members or friends