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:

Commission

A fee paid to an agent or employee for transacting a piece of business or performing a service, typically a percentage of the sale.

Profit

The positive difference obtained when expenses are subtracted from revenue.

Used-Car Dealer

A business that specializes in selling pre-owned vehicles to consumers, often offering financing and trade-in services.

Pension

A type of retirement plan where an employee receives compensation from an employer after retirement.