Answer:
Longitudinal studies and cross-sectional studies are two different types of research design. In a cross-sectional study you collect data from a population at a specific point in time; in a longitudinal study you repeatedly collect data from the same sample over an extended period of time.
Explanation:
Answer:
The difference between longitudinal and cross- sectional research is that longtiudinal research gathers data on the same subject more than once, while cross- sectional research gathers data on the subject only once.
