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. 2022 Nov;1(11):EVIDstat2200284.
doi: 10.1056/EVIDstat2200284. Epub 2022 Oct 25.

Threats to Blinding

O M Davies  1 , Katherine S Takvorian  1 , Daniel Muller, Tim Vining, Alison Burke, Chana A Sacks  1 , Charles C Hardin  1
Affiliations

Threats to Blinding

O M Davies et al. NEJM Evid. 2022 Nov.

Abstract

Blinding is a critical strategy used to limit certain types of bias in randomized controlled trials. This animated video explores the rationale and examines potential threats to keeping group allocation concealed - from study participants and investigators.

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