A problem with longitudinal studies is that they ________.
A) take longer to run than cross-sectional studies
B) don't distinguish age differences from cohort differences
C) don't track long-term changes among individuals in the study
D) are less trustworthy than either biographical or longitudinal studies

Question

Quizplus · Accepted Answer

Longitudinal studies take longer to run than cross-sectional studies because they follow the same subjects over a period of time to observe changes.

A Problem with Longitudinal Studies Is That They ________