A disadvantage of longitudinal research studies is that they:
A) fail to include children and teens in their research.
B) fail to distinguish age effects from cohort effects.
C) have a tendency to be biased as some people drop out over a period of time.
D) can only include people of different age cohorts at a single point in time.

Question

Quizplus · Accepted Answer

Longitudinal research studies can experience bias as some participants may drop out of the study over time, which can skew the results and limit the representativeness of the sample. This can be a significant disadvantage of longitudinal research as it may impact the validity and reliability of the findings.

A Disadvantage of Longitudinal Research Studies Is That They