A cross-sectional design comparing three different ages would require three separate groups of participants.

Name: A cross-sectional design comparing three different ages would require three separate groups of participants.
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Question

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A cross-sectional design involves comparing different groups of participants at the same time, rather than following the same group over time. Therefore, to compare three different age groups, three separate groups of participants would be needed.

A Cross-Sectional Design Comparing Three Different Ages Would Require Three