Give a hypothetical situation that would lend itself to a cross-sectional study. What would be the research purpose in your hypothetical situation?

Give a hypothetical situation that would lend itself to a cross-sectional study. What would be the research purpose in your hypothetical situation? Why would your example not lend itself to a longitudinal approach?Give a hypothetical situation that would lend itself to a cross-sectional study. What would be the research purpose in your hypothetical situation? Why would your example not lend itself to a longitudinal approach?