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Anecdotal Evidence

Anecdotal evidence is a factual claim relying only on personal observation, collected in a casual or non-systematic manner.
#cognitive-bias
Zettelkasten, August 01, 2021 (changes)

Notes

  • Anecdotal evidence is a factual claim relying only on personal observation, collected in a casual or non-systematic manner.

  • It's generally regarded as limited in value due to several potential weaknesses compared to objective and verifiable evidence.

  • It may be considered within the scope of a scientific method as some anecdotal evidence can be both empirical and verifiable, e.g., in the use of medical case studies.

  • Authority powers anecdotal evidence.

  • It's a type of inductive argument.

  • Anecdotal evidence is often unscientific or pseudoscientific because various forms of cognitive bias may affect the shreds of evidence.

  • Some definitions of anecdotal evidence:

    • "Casual observations or indications rather than rigorous or scientific analysis."
    • "Information passed along by word-of-mouth by not documented scientifically."
    • "Evidence that comes from an individual experience."

References

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