Recall that Simonton (1987, 2001) examined the relationship between 100 personal attributes of the U.S. presidents and their effectiveness in office as rated by historians
The characteristics that were most correlated with presidential effectiveness were
a. height, family size, and number of books published before taking office.
b. intelligence, need for power, and self-confidence.
c. charisma, education, and adaptability.
d. social skills, need for power, and education.
Answer: A
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Compared to axons without myelin sheaths, what is the speed of action potentials through myelinated axons?
a) faster because ion exchange occurs along the entire axon b) slower because ion exchange occurs along the entire axon c) faster because ion exchange occurs only at the nodes of Ranvier d) slower because ion exchange occurs only at the nodes of Ranvier
Dr. White is a learning theorist who believes that language is learned purely through imitation and reinforcement. Which of the following would she have the most difficulty explaining?
a. children learning the language that is spoken by their family members, rather than a different language b. children producing many more sentences than they have ever heard c. children who watch Sesame Street having larger vocabularies than children who do not watch Sesame Street d. children learning words more rapidly if their parents speak to them frequently