Which type of intelligence reflects accumulated knowledge and verbal skills and tends to increase with age?

• A. Crystallized intelligence
• B. Fluid intelligence
• C. Analytical intelligence
• D. Practical intelligence

Answer: (A)

This item tests how accumulated knowledge and verbal skills change with age. Crystallized intelligence captures the facts, vocabulary, and general knowledge people build over years. Because it draws on long-term memory and learning, it tends to grow or stay strong as people get older, even as other abilities may change. In contrast, fluid intelligence is about solving new problems and quick reasoning in unfamiliar situations, which often peaks earlier in adulthood and may decline with age. The other forms describe different styles of thinking—analytical focuses on evaluating parts of a problem, while practical deals with applying knowledge in everyday life—neither of which increases with age in the same way crystallized knowledge does.