When Judy started college, she was certain that she had the willpower to never smoke marijuana. By the end of her freshman year, however, Judy had used this drug on three different occasions. Judy's experience best illustrates:
a. the availability heuristic.
b. confirmation bias.
c. overconfidence.
d. the framing effect.
e. the belief perseverance phenomenon.
Answer: c. overconfidence.
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Barrett, an 11 year-old male, just moved to this country with his family. Previously, Barrett's family lived on a small sailboat in the Caribbean, and he has only very sparse medical history. Barrett's parents report that he suffered a head injury last
year and that his behavior has been highly erratic since. You think it could be useful to determine the extent of the brain damage. What is the best way to accomplish that? a. magnetic resonance imaging b. cerebral X-ray c. positron emission tomorgraphy d. administer a Rorschach test
The percentage of home births in the Netherlands is
10. 20. 30. 40.