Identification of tools used to assess the external validity of randomized controlled trials in reviews: a systematic review of measurement properties

Abstract Background Internal and external validity are the most relevant components when critically appraising randomized controlled trials (RCTs) for systematic reviews. However, there is no gold standard to assess external validity. This might be related to the heterogeneity of the terminology as...

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Bibliographic Details
Main Authors: Andres Jung, Julia Balzer, Tobias Braun, Kerstin Luedtke
Format: Article
Language:English
Published: BMC 2022-04-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:https://doi.org/10.1186/s12874-022-01561-5

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