Which of the following is a younger adult most likely to do better than a healthy older adult?
A) naming the capitals of states.
B) solving a geometric puzzle.
C) defining vocabulary words
D) calculating the area of a circle from the length of the radius
Answer: B
Rationale: Fluid intelligence peaks around early to middle adulthood and then decline. In contrast, crystallized intelligence tends not to decrease in healthy adults, and may even increase with experience. Solving a geometric puzzle relies on fluid intelligence, whereas the other options rely primarily on crystallized intelligence.
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An animal's surface-to-volume ratio predicts a. that it is an ectoderm
b. that it is an endoderm. c. how much heat the animal can generate. d. how much energy the animal requires to maintain core temperature.
The negative effects associated with being an early-maturing female have been found to be offset by:
A. hormone replacement therapy. B. having supportive parents. C. possessing a strong personal fable. D. hanging around with older males.