According to your textbook, which of the following is true regarding the population level increases in intelligence test scores over time?
A) The increase indicates that children today are actually smarter than their parents were.
B) The increase is due to the fact that people are better test takers, not that they are smarter.
C) The increase is an illusion created by the way intelligence tests are normed.
D) The reasons for the increase are unclear, but may reflect the increased ability to process information quickly.
Answer: D
Rationale: It is unclear whether the Flynn effect is due to an actual increase in intelligence or simply an increase in test performance. One current theory suggests that exposure to technology has made recent generations better at processing information quickly.
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Imagine that your professor is discussing the prevalence of psychological disorders in the general population, and he says, "A study conducted in 2012 estimated that about 11% of the population has a psychological disorder at any one time."
If you were to estimate a confidence interval, based on this numberâ€"11%â€"you would be most likely a. to use the confirmation bias inappropriately. b. to estimate this range by using the availability heuristic, which would be biased because of recent examples. c. to rely too heavily on an anchor, and not make large enough adjustments to that anchor. d. to use decision frames inappropriately.
When alcohol is abused, the resulting effects may include ________
a. blackouts, cirrhosis of the liver, mental and neurological impairment, psychosis, and possibly death. b. an increased risk of bladder cancer. c. loss of appetite, nausea, constipation, withdrawal symptoms, and possibly death. d. damage of dopamine cells in the brain.