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  2. Scientific evidence - Wikipedia

    en.wikipedia.org/wiki/Scientific_evidence

    Such evidence is expected to be empirical evidence and interpretable in accordance with the scientific method. Standards for scientific evidence vary according to the field of inquiry, but the strength of scientific evidence is generally based on the results of statistical analysis and the strength of scientific controls. [citation needed]

  3. Evidence - Wikipedia

    en.wikipedia.org/wiki/Evidence

    Evidence for a proposition is what supports the proposition. It is usually understood as an indication that the proposition is true. The exact definition and role of evidence vary across different fields. In epistemology, evidence is what justifies beliefs or what makes it rational to hold a certain doxastic attitude. For example, a perceptual ...

  4. Empirical evidence - Wikipedia

    en.wikipedia.org/wiki/Empirical_evidence

    Empirical evidence is evidence obtained through sense experience or experimental procedure. It is of central importance to the sciences and plays a role in various other fields, like epistemology and law. There is no general agreement on how the terms evidence and empirical are to be defined. Often different fields work with quite different ...

  5. Extraordinary claims require extraordinary evidence - Wikipedia

    en.wikipedia.org/wiki/Extraordinary_claims...

    "Extraordinary claims require extraordinary evidence" (sometimes shortened to ECREE), [1] also known as the Sagan standard, is an aphorism popularized by science communicator Carl Sagan. He used the phrase in his 1979 book Broca's Brain and the 1980 television program Cosmos .

  6. Hierarchy of evidence - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_evidence

    A large number of hierarchies of evidence have been proposed. Similar protocols for evaluation of research quality are still in development. So far, the available protocols pay relatively little attention to whether outcome research is relevant to efficacy (the outcome of a treatment performed under ideal conditions) or to effectiveness (the outcome of the treatment performed under ordinary ...

  7. Evidence of absence - Wikipedia

    en.wikipedia.org/wiki/Evidence_of_absence

    In carefully designed scientific experiments, null results can be interpreted as evidence of absence. [7] Whether the scientific community will accept a null result as evidence of absence depends on many factors, including the detection power of the applied methods, the confidence of the inference, as well as confirmation bias within the community.

  8. Federal Rules of Evidence - Wikipedia

    en.wikipedia.org/wiki/Federal_Rules_of_Evidence

    In general, the purpose of rules of evidence is to regulate the evidence that the jury may use to reach a verdict. Historically, the rules of evidence reflected a marked distrust of jurors. [9] [10] The Federal Rules of Evidence strive to eliminate this distrust, and encourage admitting evidence in close cases. Even so, there are some rules ...

  9. Empirical research - Wikipedia

    en.wikipedia.org/wiki/Empirical_research

    Empirical evidence (the record of one's direct observations or experiences) can be analyzed quantitatively or qualitatively. Quantifying the evidence or making sense of it in qualitative form, a researcher can answer empirical questions, which should be clearly defined and answerable with the evidence collected (usually called data). Research ...