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Statistical interpretation can also bias research evidence

BMJ 2003; 327 doi: https://doi.org/10.1136/bmj.327.7417.752-a (Published 25 September 2003) Cite this as: BMJ 2003;327:752
  1. Lorne Basskin,, president (lbasskin@hotmail.com)
  1. Trinka Medical Education and Publications, 11100 Minneapolis Drive, Cooper City, FL 33026, USA

    EDITOR–Kaptchuk discussed the effect of interpretive bias on research evidence.1 Let me add one more example. Studies are designed to determine whether “a statistically significant difference” exists between the outcomes of two alternative treatments. If no difference is discovered the temptation for authors is to conclude that the treatment under investigation is “just …

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