BMJ 2005;331 (30 July), doi:10.1136/bmj.331.7511.0-d
How to detect data fabrication
The raw data from a study submitted to the BMJ by R B Singh (see above) was sent for detailed statistical analysis. On p 267 Al-Marzouki et al describe the use of statistical methods for detecting data fabrication by comparing the baseline data from this study (the diet trial) with that from another trial. In the diet trial they show a combination of features in the baseline data (variances, means, and digit preference) that are strongly suggestive of data fabrication.
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- Are these data real? Statistical methods for the detection of data fabrication in clinical trials
- Sanaa Al-Marzouki, Stephen Evans, Tom Marshall, and Ian Roberts
BMJ 2005 331: 267-270.[Abstract] [Full Text] [PDF]
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