What is the key advantage of a retrospective cohort study compared to a prospective cohort study?
Understand the Problem
The question is asking about the key advantage of conducting a retrospective cohort study as opposed to a prospective cohort study. It focuses on understanding the specific benefits and implications of using retrospective methods in research.
Answer
It requires less time to complete because the data has already been collected.
The key advantage of a retrospective cohort study compared to a prospective cohort study is that it requires less time to complete because the data has already been collected.
Answer for screen readers
The key advantage of a retrospective cohort study compared to a prospective cohort study is that it requires less time to complete because the data has already been collected.
More Information
Retrospective cohort studies use existing data, making them faster and cheaper to perform. However, they may have limitations such as higher susceptibility to certain biases.
Tips
A common mistake is confusing recall bias with the speed of data collection; retrospective studies use already collected data.
Sources
- Retrospective Cohort Studies - ScienceDirect - sciencedirect.com
- Prospective vs. Retrospective Studies - StatsDirect - statsdirect.com
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