Practice question · Sort into groups
Sort each ability-plus-age pattern by which intelligence it fits.
Groups: Fluid intelligence (Gf) · Crystallized intelligence (Gc)
- Quickly grasping the rule behind a brand-new pattern
- Rich general knowledge accumulated over decades
- Solving an abstract, unfamiliar reasoning puzzle - tends to decline with age
- A large vocabulary that keeps growing into old age
Hints
- Novel problem-solving that fades with age is fluid; stored knowledge that persists is crystallized.
- The key giveaway is whether the ability declines or holds/rises with age.
Show the answer
Fluid intelligence (Gf): Solving an abstract, unfamiliar reasoning puzzle - tends to decline with age, Quickly grasping the rule behind a brand-new pattern
Crystallized intelligence (Gc): A large vocabulary that keeps growing into old age, Rich general knowledge accumulated over decades
Why
Novel, knowledge-independent reasoning that declines with age is fluid; accumulated vocabulary and knowledge that holds or rises is crystallized. The opposite aging trajectories are the sharpest way to tell them apart.
Practise Psychometric Theories of Intelligence
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