The activation of hair cells within the semicircular canals is based on _____ relative to the hair cells
A) movement of the basilar membrane
B) distortion of the tympanic membrane
C) distortion of the ampulla
D) movement of the cupula.
E) movement of the otoconia
Answer: D
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IQ scores form a normal distribution with ยต = 100 and ? = 15 . Individuals with IQs between 90 and110 are classified as average. What proportion of the population is average?
a. 0.7486 c. 0.4972 b. 0.5028 d. 0.2486
One of the strongest predictors of the likelihood that an individual will develop schizophrenia is if:
A. an identical twin has schizophrenia B. a fraternal twin has schizophrenia C. a parent has schizophrenia D. the person already suffers from major depression
Hallucinogens
a. have the potential to produce physical dependence. b. can contribute to a variety of psychological disorders. c. are more dangerous than popular stories in the press. d. are safe for the fetus if taken by a pregnant woman.
In an experiment, people rated how funny they thought cartoons were while holding a pen crosswise in their mouths. Those who held the pen in their teeth thought the cartoons were funnier than did people who held the pen in their lips. These results are best explained by the
a. experimenter effect due to a self-fulfilling prophecy that was created by the cartoon. b. placebo effect. c. attribution theory. d. pen between the teeth causing the subjects to smile and the pen between the lips causing them to frown.