A Study Uses a Repeated Cross-Sectional Survey to Study Changes

Multiple Choice

A study uses a repeated cross-sectional survey to study changes in attitudes toward nonmarital cohabitation over time.The results show that in more recent years,people have become more accepting of unmarried couples living together.To the extent that this increased acceptance is due to cohort replacement,the feature of the cross-sectional design that helps us to understand the change in attitudes over time is that repeated cross-sectional surveys

A) survey different people in each data collection over time.
B) survey the original respondents,but also add new respondents each time.
C) reduce the number of respondents with each new data collection period.
D) oversample younger people in each additional data collection period.