Concerning the rate of nerve conduction, Helmholtz found that:?
a. ?it is measurable in frogs but not in humans
b. ?it is almost instantaneous and therefore not measurable
c. ?it is measurable, and that it is fairly slow
d. ?it is essentially what Müller thought it to be
ANSWER:
c
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You walk into a classroom and find the words secular trend on the blackboard. If a developmental psychology class just left, the topic of the lecture was most likely the
a) rise in intelligence with increasing age. b) rising rate of teen pregnancy in a time of fear of AIDS. c) reduction in the number of years classified as late adulthood. d) tendency for puberty to occur earlier than in previous decades.
Which of the following student characteristics is an example of a nominal variable?
A) grade point average (3.2, 2.5, etc.) B) number of friends (0, 1, etc.) C) birth position in the family (first, second, etc.) D) nationality (U.S., Japanese, etc.)