According to the Yerkes-Dodson law, optimum performance on tasks which are simple and direct occurs at levels of arousal that are
a. higher than normal.
b. lower than normal.
c. moderate.
d. almost zero.
ANSWER: a
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Regarding Kinsey's research on human sexual behavior, which of the following statements is true?
A. Kinsey used an artificial laboratory technique to examine sexual behavior. B. Kinsey ensured that his sample was randomly selected. C. Kinsey's results largely affirmed the sexual attitudes of his times. D. Kinsey's sample included a disproportionate number of college-educated people.
According to Lamarck, if an adult member of species develops a trait, such as powerful muscles, that make its survival more likely, the trait can be passed down to the adult’s offspring. This phenomenon is called:
a. ?survival of the fittest b. ?the inheritance of acquired characteristics c. ?natural selection d. ?the law of effect
The best way to conduct descriptive research in a highly controlled setting is to use __________ observation
a. correlational b. naturalistic c. laboratory d. experimental
During middle childhood, there is an increase in myelination of the ______________ that accelerates the reaction time for both boys and girls
a. Broca's area b. Wernicke's area c. corpus callosum d. pituitary gland