Which of the Following Statements Correctly Identifies an Advantage or a Disadvantage

Multiple Choice

Which of the following statements correctly identifies an advantage or a disadvantage of developmental research methods?

A) Longitudinal studies indicate changes in behavior over time.
B) Sequential studies are quite inexpensive.
C) Cross-sectional studies consider a number of different age groups and examine them at several points in time.
D) Cross-sectional studies require a greater time investment.