Ian Deary and His Colleagues Retested 80-Year-Old Scots,using an Intelligence

question 284

Multiple Choice

Ian Deary and his colleagues retested 80-year-old Scots,using an intelligence test the Scots had taken as 11-year-olds.The procedure used in this research best illustrates a

• A) crystallized study.
• B) longitudinal study.
• C) factor analysis.
• D) cross-sectional study.

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Definitions:

Structural Adaptation

Physical features of an organism that have evolved to help it survive or thrive in its environment.

Feathers

Specialized skin growths in birds, contributing to flight, insulation, and display.

Maintaining Temperature

The process by which living organisms regulate their internal temperature within certain limits despite external environmental changes.

Shivering

An involuntary response to cold temperatures, producing heat through rapid muscle contractions to maintain body temperature.