Method glossary

effectiveness

Effect in the real world, with imperfect adherence and varied patients.

Source

A primer on effectiveness and efficacy trials
Singal AG, Higgins PDR, Waljee AK. Clinical and Translational Gastroenterology 2014;5(1):e45
10.1038/ctg.2013.13
PMC3912314

Where, in the source

Introduction and Study design — the efficacy → effectiveness continuum

Checked at the source on

2026-08-10

Verbatim

The official passage from this source is transcribed and checked in our own method document, with the date of verification.

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The wording of this entry is ours, written for people outside the field. The concept and its limits come from the source above, against which this wording is checked — it is neither a translation nor a copy of it.

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