All of the following represent a significant drawback of conducting a longitudinal study EXCEPT
A) participants may drop out of the study for a variety of reasons.
B) participants may come to no longer comprise a representative sample of a population.
C) it can take a long time and cost a lot of money.
D) it is highly susceptible to the cohort effect.

Question

Quizplus · Accepted Answer

The cohort effect is not a drawback of conducting a longitudinal study; rather, longitudinal studies are designed to study the same group of individuals over time, which helps in controlling for the cohort effect. The cohort effect refers to variations in characteristics or experiences of different generational groups, which can influence research outcomes. By focusing on the same group over time, longitudinal studies can more effectively isolate and examine changes or developments in the participants, thereby minimizing the impact of differences between cohorts.

All of the Following Represent a Significant Drawback of Conducting