The Funding Effect

When Iâm teaching a class or speaking to a group about the "funding effect" â the close correlation between the results desired by a studyâs funders and those reported by the researchers â people often ask how researchers do it. How is it that researchers paid by a sponsor usually get results favorable to the study's sponsor?

I've try to help answer that question in an article that appears in todayâs Washington Post, entitled It's Not the Answers That Are Biased, It's the Questions. (A longer discussion of the funding effect is in my book Doubt is Their Product).

Having a financial stake in the outcome changes the way even the most respected scientists approach their research. Scientists make many decisions about the doses, exposure methods and disease definitions they use in their experiments, and each decision affects the result.

As Richard Smith, the former editor of the British Medical Journal, has explained, it would be far too crude (and possibly detectable) to fiddle directly with the results; sophisticated scientists know that you can get the answers you want by setting up a study in certain ways. Iâve included examples of research questions designed to arrive at a desired result in my Washington Post piece, which you can read here.

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By J C Metcalf (not verified) on 18 Jul 2008 #permalink

The science on cell phones and health suffers from the same industry influence/denial of risk as BPA. And the product is equally ubiquitous in today's world.
See Huss et al,
Source of Funding and Results of Studies of Health Effects of Mobile Phone
Use: Systematic Review of Experimental Studies
Anke Huss,1 Matthias Egger,1,2 Kerstin Hug,3 Karin Huwiler-Müntener,1 and Martin Röösli1
Environ Health Perspect 115:1â4 (2007). doi:10.1289/ehp.9149 available via
http://dx.doi.org/ [Online 15 September 2006]

By Nancy Evans (not verified) on 19 Jul 2008 #permalink