Papers with competing interests are less credible
When the authors of a research paper declare substantial competing
interests, readers find it less interesting, important, relevant,
valid, and believable than when the authors have no such interests.
Chaudhry et al (p 1391) performed a randomised trial among 300 BMJ readers in which half were sent a short research article
where the (fictitious) authors were employees of a company and held
stock options. The other half received the same article but with
authors who had no such competing interests. On all measures the
readers who received the first version rated it lower than those who
received the second.
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- Does declaration of competing interests affect readers' perceptions? A randomised trial
- Samena Chaudhry, Sara Schroter, Richard Smith, and Julie Morris
BMJ 2002 325: 1391-1392.[Extract] [Full Text] [PDF]
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