Which figure is MOST likely a valid estimate of the prevalence of personality disorders in the United States?
a. 0.1%
b. 1%
c. 11%
d. 21%
Ans: C
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The data on infant mortality and maternal mortality rate show that:
a. in a comparison of 15 technologically advanced countries in the world, the US has the lowest neonatal mortality rate. b. about 1 in 3,000 women in Canada and the United States dies because of complications during pregnancy and childbirth. c. in sub-Saharan Africa, about 3% of infants die before their first birthday. d. in sub-Saharan Africa about 1 in 50 women dies due to complications of pregnancy and childbirth.
Regarding jet lag, which of the following statements is FALSE?
a. If you fly great distances east or west, the peaks and valleys of your circadian rhythms will be out of phase with the sun and clocks. b. Adjusting to jet lag is fastest when you stay indoors. c. Shift work changes can have the same effect on the body as jet lag. d. A few intermittent five-minute periods of exposure to bright light early in the morning are helpful for resetting your circadian rhythm.
You are watching your two nephews, ages 7 and 4, play with a ball of clay
Your older nephew is getting very frustrated because even though he is using the same ball of clay, his younger brother thinks that when it is a ball there is less of it than when he rolls it out into a longer shape. What Piagetian concept is your younger nephew lacking the ability to perform? a. concept shifting b. critical thinking c. reversibility d. decentering
As an example of the self-serving bias, researchers who reviewed newspaper articles regarding sports contests found that coaches tended to explain victories in terms of ________ and defeats in terms of ________
A) home-court advantage; unfair referees B) supportive fans; a lack of teamwork C) their team's luck; the other team's abilities D) their team's ability; the other team's luck