Epidemiological measures
What each epidemiological measures question is really asking, how to structure the answer, and where the marks are likely to sit.
BIO 550 Week 5 DQ 2: When to Use Relative Risk
Epidemiological measures
A planning guide for BIO 550 Week 5 DQ 2 on when and why relative risk is the right measure. The 'when' has a precise answer tied to study design, and most posts answer only the 'why'.
BIO 550 Week 5: Incidence vs Prevalence Explained
Epidemiological measures
A planning guide for BIO 550 Week 5 Discussion on the difference between incidence and prevalence. Both definitions are easy; the supportive detail the prompt asks for is the relationship between them, and that is where the post is decided.
BRFSS odds ratio discussion: 2x2 table calculation guide
Epidemiological measures
A two-part hands-on exercise on real CDC surveillance data: replicate a specified cross tabulation — 2015 Arizona, binge drinking by depression — and compute the odds ratio, then design your own two-variable association; the graded subtlety is whether the odds ratio approximates relative risk here, and why.