Question

What is the key difference between cross-sectional and longitudinal research methods?

Options

• Cross-sectional studies are more expensive than longitudinal studies.

• Cross-sectional compares different age groups at one time, longitudinal follows the same individuals over time.

• Longitudinal studies are less accurate than cross-sectional studies.

• Cross-sectional studies take longer to complete.

Answer 1

Cross-sectional compares different age groups at one time, longitudinal follows the same individuals over time.

Explanation:

The cross-sectional method compares individuals of different ages simultaneously, while the longitudinal method studies the same individuals repeatedly across many years.