Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is a potential issue in observational studies due to differences in characteristics between groups?
What is a potential issue in observational studies due to differences in characteristics between groups?
- Information bias
- Confounding
- Selection bias (correct)
- Sampling bias
Why are cohort studies prone to confounding?
Why are cohort studies prone to confounding?
- Because they are prospective
- Because they are observational (correct)
- Because they are retrospective
- Because they are experimental
What makes it difficult to assess the risk of rare disease outcomes in cohort studies?
What makes it difficult to assess the risk of rare disease outcomes in cohort studies?
- Short duration of the study
- Small sample size
- Very large samples would be required (correct)
- Lack of funding
What is a challenge in conducting cohort studies?
What is a challenge in conducting cohort studies?
Signup and view all the answers
Why is it difficult to prove causality in cohort studies?
Why is it difficult to prove causality in cohort studies?
Signup and view all the answers
What was the main objective of the British Doctors Study?
What was the main objective of the British Doctors Study?
Signup and view all the answers
How were lung cancer cases assessed in the British Doctors Study?
How were lung cancer cases assessed in the British Doctors Study?
Signup and view all the answers
What was the outcome of interest in the Seven Countries Study?
What was the outcome of interest in the Seven Countries Study?
Signup and view all the answers
How were deaths from CVD assessed in the Seven Countries Study?
How were deaths from CVD assessed in the Seven Countries Study?
Signup and view all the answers
What was the duration of the Seven Countries Study?
What was the duration of the Seven Countries Study?
Signup and view all the answers
