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Evidence not ideology

BMJ 2005; 331 doi: (Published 20 October 2005) Cite this as: BMJ 2005;331:964

No evidence is without ideology

  1. Julian Tudor Hart, retired general practitioner (
  1. Primary Care Group, Swansea University Clinical School, Swansea SA2 8PP

    EDITOR—Godlee asks for evidence without ideology, as though it were possible either to discover or use evidence without ideology of some kind.1 Scientific evidence is derived from hypotheses conceived within an ideology—that is, a set of prior assumptions about the real world, established by previous evidence, by faith, or by both. New evidence can then be produced by testing hypotheses derived from those assumptions against reality. …

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