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The concept of fluid and crystallized intelligence was introduced to the psychological community approximately 75 years ago by Raymond B. Cattell.
Fluid intelligence involves the ability to reason and think flexibly, whereas crystallized intelligence refers to the accumulation of knowledge, facts, and skills that are acquired throughout life.
People often claim that their intelligence seems to decline as they age.
However, research suggests that while fluid intelligence begins to decrease after adolescence, crystallized intelligence continues to increase throughout adulthood.
Fluid intelligence indexes people’s ability to identify the underlying rules or concepts in novel problem solving domains.
The relative importance of fluid intelligence will decline once the concept is understood, but with the continuous introduction of new and more abstract concepts in the standard mathematics curriculum, fluid intelligence will remain important.
Fluid intelligence is composed of the ability to be flexible and to respond adaptively to novel situations. The exercise…
