Rationally Speaking Podcast

Rationally Speaking #16 - Deferring to Experts

Aug 29, 2010
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INSIGHT

Know The Limits Of Skeptical Expertise

  • Skeptics have real expertise, but it's limited mainly to classic pseudoscience like astrology and UFOs.
  • Massimo argues non-experts should defer to domain experts on technical scientific topics like climate change.
ADVICE

Defer To Consensus When You Lack Expertise

  • If you lack technical training in a field, provisionally accept the expert consensus rather than making definitive public pronouncements.
  • Only override that consensus if you develop comparable expertise or find strong external reasons to doubt it.
INSIGHT

Consensus Isn’t A Proof Of Premises

  • Expert agreement on premises is not itself proof the premises are valid; you need external criteria to judge foundational assumptions.
  • Julia compares climate models to economic models to show that model validity varies by field and testability.
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