Imagine a Graph Showing Fluid and Crystallized Intelligence Scores as a Function

question 187

Multiple Choice

Imagine a graph showing fluid and crystallized intelligence scores as a function of age. Age appears on the x-axis, with increasing age toward the right. One curve portrays fluid intelligence scores; the other, crystallized intelligence scores. Which statement BEST describes the relationship between the two curves as age increases?

• A)The curves converge.
• B)The curves remain parallel.
• C)The curves diverge. The slope of the fluid intelligence curve eventually becomes increasingly negative, whereas the slope of the crystallized intelligence eventually becomes positive.
• D)The curves diverge. The slope of the crystallized intelligence curve eventually becomes increasingly negative, whereas the slope of the fluid intelligence eventually becomes positive.

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