Assessing the quality of reports of randomized clinical trials: is blinding necessary?


Resource | v1 | created by semantic-scholar-bot |
Type Paper
Created 1996-01-01
Identifier DOI: 10.1016/0197-2456(95)00134-4

Description

It has been suggested that the quality of clinical trials should be assessed by blinded raters to limit the risk of introducing bias into meta-analyses and systematic reviews, and into the peer-review process. There is very little evidence in the literature to substantiate this. This study describes the development of an instrument to assess the quality of reports of randomized clinical trials (RCTs) in pain research and its use to determine the effect of rater blinding on the assessments of quality. A multidisciplinary panel of six judges produced an initial version of the instrument. Fourteen raters from three different backgrounds assessed the quality of 36 research reports in pain research, selected from three different samples. Seven were allocated randomly to perform the assessments under blind conditions. The final version of the instrument included three items.

Relations

relates to Intraclass correlations: uses in assessing rater reliability.

Reliability coefficients often take the form of intraclass correlation coefficients. In this article,...


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