Which of the following statements is true regarding crystallized intelligence and fluid intelligence?
A)Crystallized intelligence increases across age, while fluid intelligence begins to decline around age 30.
B)Both remain relatively stable across the life span.
C)Both begin to decline around age 30, with crystallized intelligence showing the bigger losses.
D)Both remain stable until about age 60 and then decline dramatically.

Question

Quizplus · Accepted Answer

Research has consistently shown that crystallized intelligence, which is based on accumulated knowledge and experience, tends to increase across age while fluid intelligence, which involves abstract reasoning and problem-solving, begins to decline around age 30.

Which of the Following Statements Is True Regarding Crystallized Intelligence