Which of the following is a device for recording heart rate, blood pressure, respiration, and galvanic skin response and is commonly called a "lie detector"?
a. biofeedback method
b. polygraph
c. infrared face scan
d. fMRI
B
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Rusty charges that IQ tests are biased against redheaded people. What evidence (if true) would most decisively support this charge?
a. On average, redheaded people get lower scores than other people. b. Redheaded people with an IQ of 100 do worse in school than others with the same score. c. Redheaded people with an IQ of 100 do better in school than others with the same score. d. Redheaded people with an IQ of 100 do about the same as others with the same score.
Which of the following is NOT an example of a question that could be answered using a correlational study?
a. Does a new drug cause an improvement in memory for nonsense syllables? b. Are socioeconomic and educational levels related to family size? c. Do high school grades resemble college grades? d. Is there a relationship between increases in rainfall levels and declines in crime rates?
Current research indicates that a student who stays up all night "cramming" for an exam is MOST likely to:
A) develop symptoms of test-taking anxiety. B) forget the majority of the material soon after the exam. C) do worse than will students who do not study at all. D) recall more exam material than will students who got a full night of sleep.
A consistent cognitive effect of marijuana, seen both in frequent users and in less experienced users, is
A. slowing of cognitive processing. B. improved ability to focus attention for a long time. C. impaired inhibitory control. D. personality changes.