A medical researcher develops a drug that decreases symptoms of depression and other "mood" disorders. The general term for this type of drug is:

Which of the following best accounts for people's greater fear of commercial air flights than of driving an automobile?

A) perceived control B) functional fixedness C) the framing effect D) category hierarchies E) representativeness heuristic

Research over the last two decades has shown that ________ children can solve word problems more readily than ________ children

a. younger/older b. Asian/U.S. c. third grade/fourth grade d. U.S./Asian