david sackett asked for evidence around ted harding's request for
examples of publication pressures. although not a comparison of
the published and the unpublished, the article from JAMA cited here
may be of interest. it shows poorer standard of rct's in journal
supplements (very often sponsored) than in the parent journal. if so,
sounds like financial pressures are influential. keep up the good
work JAMA!
Rochon PA, Gurwitz JH, Cheung CM, Hayes JA, Chalmers TC.
Evaluating the quality of articles published in journal supplements
with the quality of those published in the parent journal.
JAMA 1994; 272:108-13.
> ted harding requested:
> can anyone point to any serious
> survey of the Medical literature which evaluates articles in terms of the
> likelihood that they got published as a consequence of pressures
> (political, commercial or prejudicial), and/or in terms of comparison to
> studies that did not get published for similar reasons?
David Owens
Senior Lecturer, School of Medicine
University of Leeds
15 Hyde Terrace, Leeds LS2 9LT
email: d.w.owens@leeds
telephone 0113 233 2739 (direct)
or 2720 (secretary)
fax: 0113 243 3719
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