A problem with cross-sectional data is that:
A) The data cannot be collected on more than one variable
B) Independent variables cannot be differentiated from dependent variables because there is no theory
C) It is harder to establish cause and effect, because the data are not collected over time
D) There is differential attrition

Question

Quizplus · Accepted Answer

Cross-sectional data is collected at a single point in time, making it difficult to establish causality since it does not track changes over time.

A Problem with Cross-Sectional Data Is That