Confounding

Definition | Confounding in COVID-19 | Confounding by indication | RCTs

Log scales

How do logarithms work? | Why do we need them for all those COVID-19 plots?? | Other examples in science

Direct and Indirect Standardisation

How do we compare mortality rates between populations that have different age structures?? Find out with this intuitive video!

Confidence Intervals

What are they? How are they calculated? EXTRA CONTENT: Frequentist vs. Bayesian intervals!

P-values

History of p-values | How to interpret p-values | One-tailed vs Two-tailed | EXAMPLES from research

Relative Risk vs Odds Ratio

Calculation | Why do we need Odds Ratios? | Equivalence between RR and OR | EXAMPLES from research