Which of the following most likely makes use of heuristics?
a) a chemical equation for the synthesis of sulfuric acid
b) a recipe for making cookies on the back of a box of cornflakes
c) an article by a Nobel Prize winner titled "Tips for How to Succeed in Science"
d) a computer program for keeping track of inventory at a department store
ANS: C, There are no strategies that guarantee success in science. There are, however, general rules of thumb that are often effective. Equations, recipes, and programs are more likely to guarantee correct solutions if they are applied appropriately.
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Two boys, ages 3 and 4, are playing with cars, and both boys want the bigger red car. As one boy reaches for the red car, the other strikes him, knocking it out of his hand, and taking the red car for himself. This is an example of
a) relational aggression. b) emotional aggression. c) regulated aggression. d) instrumental aggression.
Ken and his twin sister Katy both took the same psychology test but in different classes
On his psychology test, Ken had a score of 110 in a class with a mean of 100 and a standard deviation of 10, while his twin sister Katy had a score of 118 in a class having a mean of 100 and a standard deviation of 18. Which statement is TRUE? a. Ken's zscore is higher than Katy's. b. Katy's zscore is higher than Ken's. c. Both of their z-scores are the same. d. A z-score cannot be calculated from the information given.