← Glossary
Randomised controlled trial (RCT)
A study in which participants are randomly assigned to groups. It supports claims about cause rather than association only; usually level B.
Section: How to read evidence
Sources for the definition
The definition rests on no numbers and needs no source.
Where it is used
The term is used in the calculator, the supplements sections and pharmacology. Back to the glossary or open the methodology in the app.