Choosing a longitudinal study over a cross-sectional study.

        For this week's discussion, complete these tasks: Explain three circumstances where a researcher would choose a longitudinal study over a cross-sectional study. Identify two advantages and two disadvantages of a longitudinal study and a cross-sectional study, giving examples of each. Then, provide a specific example of a question that could be addressed with a longitudinal study and explain why that developmental design is preferred.