Research methods
Read the range: what a confidence interval tells you about a study
A worked guide to precision, clinical importance and the difference between an uncertain result and evidence of little effect.
Read the guide · 6 minMake sense of statistical claims
Read uncertainty ranges, multiple tests, subgroup claims and hazard ratios through worked examples with visible assumptions.
4 articles · About 24 minutes in total · Read at your own pace
Research methods
One striking result among twenty tests: reading p-values without the hype
See how multiple testing changes a headline, what a p-value does not measure and how a planned analysis differs from an exploratory finding.
Read the guide · 6 minResearch methods
It worked in one group: how convincing is a subgroup claim?
Learn to separate a real difference in effects from two different significance labels—and to check the scale on which a difference is claimed.
Read the guide · 6 minResearch methods
A 20% lower hazard is not 20% fewer events: reading survival studies
Follow a simple time-to-event model to see why hazard ratios, risks at a fixed time and survival duration answer different questions.
Read the guide · 6 min