Defined term · Evidence assessment
Absence of evidence
A state in which no study adequate to answer a question has been identified. The Institute records an absence of evidence as distinct from evidence of absence: the first says nothing about whether an…
§1Absence of evidence
§1.2Category
Evidence assessment — Terms describing how the Institute judges and reports the strength of evidence.
§1.3Related terms
- Evidence of absence — A finding, from a study adequately powered to detect an effect of the size of interest, that no such effect was observed. A negative result from an adequately powered…
- Very low certainty — The Institute has very little confidence in the effect estimate. In this document set a very low rating most often reflects an absence of controlled human evidence…
Compound Evidence Institute · CEI-GT-006 · https://compoundevidence.com/glossary/absence-of-evidence/ · retrieved 30 July 2026