Which of the following is correct regarding vision in late adulthood?
A) Blood flow to the eye increases, which results in an enlarged blind spot on the retina.
B) The pupil does not widen or narrow as much or as quickly, which causes problems in adapting to variations in light and glare.
C) Older adults seem to adapt more flexibly and positively than middle-aged adults to the difficulties of living with serious vision impairments.
D) The incidence of cataracts decreases greatly among adults who are older than 75.
B
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When the assumptions behind parametric tests are not met,
a. they are not useful tests. b. they cannot even be computed. c. distribution-free tests may have more power. d. none of the above
All but one of the following statements are correct. Which of the following statements about HIV/AIDS is NOT correct?
a) HIV/AIDS is primarily a problem for gay men. b) In the United States, about 11% of those with HIV/AIDS contracted it through sharing needles for drug use. c) Women make up a substantial portion of those infected with HIV. d) Circumcision reduces the risk of HIV transmission.
The largest number of suicides occurs among teenaged males
a. True b. False
The fact that you now tend to prefer blondes because your last love interest had blonde hair BEST illustrates __________.
A. stimulus generalization B. generalization gradient C. stimulus discrimination D. discrimination gradient