Finding and appraising qualitative evidence
Blinding in clinical trials and other studies< Back to search results
Short article from the British Medical Journal.
- Format Texts
- Language/s English
- Target Audience Further education
- EBM Stage 3 - Appraising evidence
- Duration <5 mins
- Difficulty Introductory
Key Concepts addressed
Human behaviour is influenced by what we know or believe. In research there is a particular risk of expectation influencing findings, most obviously when there is some subjectivity in assessment, leading to biased results. Blinding (sometimes called masking) is used to try to eliminate such bias.