Free explainer2 min read
Hierarchy of evidence
Understand the model, recognise it in a stem, separate the look-alikes, then apply it.
01Memory anchor
BiasA systematic error that skews a study's results away from the truth in a particular direction.Read more → falls as you climb: opinion and case series at the bottom, a systematic reviewA structured, comprehensive search and appraisal of all the evidence on a specific question.Read more → of RCTs at the top.