Although the problem of losing respondents over time can be a problem with longitudinal studies,they are often preferable to cross-sectional designs because they can help researchers detect causal effects.The reason longitudinal studies are better able to detect causal effects is that they can
A)document within-person changes.
B)document across-person changes.
C)give respondents a chance to correct earlier responses.
D)give the researcher a good way to test measurement reliability.

Question

Quizplus · Accepted Answer

Longitudinal studies allow researchers to document within-person changes over time, which can help detect causal effects. This is because they can identify changes that occur within individuals and control for individual differences, reducing the likelihood of spurious correlations. Cross-sectional designs, on the other hand, only provide a snapshot of data at a single point in time and cannot distinguish between within-person and between-person effects.

Although the Problem of Losing Respondents Over Time Can Be