Older people's capacity to learn and remember meaningful material does not decline as much as their capacity to learn and remember meaningless material. This best illustrates the value of

A) concrete operational thought.
B) crystallized intelligence.
C) formal operational thought.
D) fluid intelligence.

Crystallized Intelligence

The aspect of intelligence that involves the ability to use learned knowledge and experience.

Fluid Intelligence

The capacity to think logically and solve problems in novel situations, independent of acquired knowledge.

Concrete Operational Thought

A stage in Jean Piaget's theory of cognitive development where children (ages 7-12 approximately) gain the ability to think logically about concrete events.