Question

multiple choice question
a research strategy that simultaneously compares people of different ages is known as the ______ approach.

longitudinal
developmental
sectional
cross - sectional
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Explanation:

• Longitudinal research tracks the same group over time, not comparing different age groups simultaneously.
• Developmental is a broad field, not this specific research strategy.
• "Sectional" is not the standard term for this method.
• Cross-sectional research involves collecting data from groups of different ages at a single point in time, matching the definition.

Answer:

cross-sectional