From middle to late adulthood, the incidence of __________ nearly doubles, affecting 20 percent of Americans age 65 and older
A) juvenile diabetes
B) type 2 diabetes
C) rheumatoid arthritis
D) osteoarthritis
B
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Which of the following is a reason for overconfidence?
A) We tend to be aware of how flimsy our assumptions may be. B) We tend to focus on examples that do not confirm our judgments. C) We remember information that runs counter to our judgments. D) We work to bring about the events we believe in.
A researcher conducts an experiment on a new drug for enhancing memory and the researcher concludes that the drug is effective. However, by chance alone the many participants having excellent memories were placed in the experimental group. This may lead to a:
a. Type I error. b. Type II error. c. correct rejection. d. correct acceptance.
Which of the following is not evidence indicating that the relationship between school achievement and IQ may be a two-way street?
a. There is a small but significant drop in children's IQs over summer vacation. b. Children who start school late have lower IQs than children who start school on schedule. c. Average IQ scores get higher with age. d. There is a strong, positive correlation between years of education and IQ.
Which of these factors does NOT contribute to greater aggressive behavior?
a. empathy b. belief in justifiable aggression c. offensive interpretation of another's motives d. social approval of aggression