Which of the Following Is a Major Argument in Favor

Multiple Choice

Which of the following is a major argument in favor of cross-sectional research designs in the study of adulthood?

A) They allow researchers to collect information about age differences on some variable quite rapidly.
B) They allow researchers to answer questions about individual continuity over time.
C) They unconfound age and cohort.
D) They clarify the relationship between age and family life cycle.