Longitudinal and cross-sectional studies may produce different results due to the fact that age may be confounded with other factors in cross-sectional designs.

Question

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In cross-sectional studies, differences between age groups may reflect generational differences or other factors, not just the effect of aging, leading to potential confounding. Longitudinal studies follow the same individuals over time, better isolating the effects of aging from other variables.

Longitudinal and Cross-Sectional Studies May Produce Different Results Due to the Fact