In Schaie's (2008) Sequential Research, the Finding That, Within a Given

question 53

Multiple Choice

In Schaie's (2008) sequential research, the finding that, within a given cohort, some people show longitudinal decline in certain abilities, some people show stability, and yet others show increases in these same abilities speaks to the concept of

• A) acquisition of symbolic knowledge.
• B) plasticity.
• C) interindividual variability.
• D) modification of underlying fluid intelligence abilities.

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