When a person plays tic-tac-toe using certain mental shortcuts, her or she uses a thinking strategy called
A. a mental set.
B. an algorithm.
C. chunking.
D. a heuristic.
Answer: D
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Currently, the most prominent theory of human attachment stems from the work of __________.
A. John Bowlby B. Harry Harlow C. Sigmund Freud D. Erik Erikson
Richard contracted a sexually transmitted disease that has resulted in severe flu-like symptoms, including jaundiced skin, abdominal pain, and fever. Which STD has Richard contracted?
a. viral hepatitis b. genital herpes c. genital warts d. syphilis e. nongonococcal urethritis
For an event to qualify as a manic episode, the DSM-5 says that ____
a. the state must last for at least one week b. there must also be a depressive episode c. there must be an elevated mood that does not impair functioning d. the state must last for two months
Sergei is a professional hockey player. He never knows for sure which one of his shots will score, but the more shots he takes the more likely he is to score a goal. Based on what is known about schedules of reinforcement, you should conclude that Sergei's shots at the goal are being reinforced based on a:
a. variable-ratio schedule b. fixed-ratio schedule c. fixed-interval schedule d. variable-interval schedule