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...
Main Authors: | , , , |
---|---|
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 |