Cattell wrote that he found himself "making brilliant discoveries in science and philosophy" when ____.?
a. ?with Wundt at Leipzig
b. ?with Hall at Johns Hopkins
c. ?with James at Harvard
d. ?using drugs
e. ?studying psychophysics
d
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The attending nurse tells an expectant mother that her contractions are approximately 5 minutes apart. Which hormone is in a high enough concentration in the mother to cause the uterus to begin periodic contractions?
A. androgen B. progesterone C. oxytocin D. estrogen
At a card players' club, the poker players had a contest with the blackjack players to see who could win the most money. The appropriate design for testing the significance of the difference between the means is
a. related-samples t-test. b. independent-samples t-test. c. one-sample t-test. d. z-test.
The 5-year-old of two very busy parents has been throwing tantrums. Whenever the child goes off the deep end, one or both of his parents immediately come to his side and fuss over and cajole him
Nevertheless, his tantrums do not diminish; they even seem to increase. We may assume that his parents' fussing over him serves as a _______. a. negative reinforcer b. punisher c. positive reinforcer d. model
There is no research evidence for the assertion that
Callahan's therapy technique cures anxiety by manipulating energy fields, or for the implausible claim of virtually instantaneous cures for the vast majority of phobia sufferers. Since the energy blocks aren't measurable, Callahan's claims cannot be proved or disproved. This is an example of which of the six principles of scientific thinking? A) Replicability B) Falsifiability C) Occam's Razor D) Ruling our rival hypotheses