Cross-sectional studies demonstrate a fresh sample of people each time, while longitudinal studies follow the same sample of people over time.
What is the similarity between longitudinal and cross-sectional studies?
The longitudinal and cross-sectional studies may be defined as observational studies and may be similar to one another in which data is gathered from the same sample repeatedly over an extended period of time.
A Longitudinal study observes the same sample each time, while cross sectional study observes diverse samples.
Therefore, it is well described above.
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