Independent · non-commercial · publishes on a quarterly cycle|Current cycle 2026 Q3
Methodology|Interests|Funding|Corrections
Compound Evidence InstituteEvidence synthesis · established 2023Graded assessments of compounds, trials, methods and supply
Document set current to 30 July 2026
Defined term · Statistics and inference

Multiplicity

The inflation of false-positive rates that follows from testing many hypotheses. Controlled by a pre-specified testing hierarchy, whose position each reported endpoint occupies.

Document identifier
CEI-GT-083
Series
Defined term
Version
1.0
Published
30 Jul 2026
Last reviewed
30 Jul 2026
Certainty
Not rated

§1Multiplicity

§1.2Category

Statistics and inference — Terms describing how effects are estimated and how uncertainty is expressed.

§1.3Related terms

  • Testing hierarchy — A pre-specified order in which endpoints are tested, in which testing stops at the first failure. An endpoint below the point of failure is not confirmatory regardless…
Compound Evidence Institute · CEI-GT-083 · https://compoundevidence.com/glossary/multiplicity/ · retrieved 30 July 2026
Nothing published by the Institute is medical advice, a diagnosis, a prescription, a treatment recommendation or a purchasing recommendation. Compounds supplied for research use are not approved for human or veterinary use in any jurisdiction, and a favourable analytical assessment of a supplier is not a statement that any product is safe or effective. The Institute publishes certainty ratings and never recommendations. No telephone number, messaging handle or ordering channel appears anywhere on this site.