Which of the following typically happens to crystallized intelligence as healthy adults age?
A) Crystallized intelligence peaks at middle age and then declines.
B) Crystallized intelligence is slowly replaced by fluid intelligence.
C) Crystallized intelligence remains stable or increases with experience.
D) Crystallized intelligence steadily declines throughout the lifespan.

Question

Quizplus · Accepted Answer

Crystallized intelligence is based on knowledge and experience, which continue to accumulate throughout adulthood. Therefore, it is likely to remain stable or even increase with age. Research has shown that performance on tasks that require crystallized intelligence (such as vocabulary tests) tends to improve throughout middle adulthood before eventually stabilizing or showing minor declines in later years.

Which of the Following Typically Happens to Crystallized Intelligence as Healthy