Beta brain wave activity is not a reliable indicator of being awake because __________.
A. this pattern is seen in children but not adults
B. this brain wave pattern also appears during sleep
C. this wave form waxes and wanes during the day
D. it can be induced by certain drugs such as alcohol
Answer: B
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When Crespi (1942) gave rats different amounts of reinforcement for running, he found that:
a. larger rewards slowed the rats down b. smaller rewards produced the fastest running c. larger rewards produced faster running d. amount of reward did not influence running speed
Gender-schematic thinking is so powerful that when children see others behaving in "gender inconsistent" ways,
A) they reject the individuals and exhibit aggression when confronted by the individuals. B) they question their gender-stereotyped conceptions and become more open-minded. C) they often distort their memory to make it "gender consistent." D) it causes significant distress and endangers their emotional well-being.
The concordance rate of schizophrenia among fraternal (dizygotic) twins is about ______ percent
a. 17 c. 57 b. 37 d. 77
An analysis of variance produces SSbetween = 30, SSwithin = 60, and an F-ratio with df = 2, 15. For this analysis, what is the F-ratio?
A) ?30/60 = 0.50 B) ?60/30 = 2.00 C) ?15/4 = 3.75 D) ?4/15 = 0.27