Choiceology with Katy Milkman

Invisible Failures: With Guests Emily Oster, Sendhil Mullainathan & Linda Rodriguez McRobbie

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Nov 4, 2019
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ANECDOTE

Rhine’s Seance Investigation

  • J.B. Rhine attended seances and tested a popular medium, Mina Crandon, then reported her tricks and called her a fraud.
  • His skeptical investigation launched his parapsychology experiments despite controversy and public support.
ANECDOTE

Zener Cards And Selective Testing

  • Rhine developed Zener cards and ran thousands of tests where some participants scored above chance.
  • He repeatedly tested high scorers while low scorers dropped out, creating a skewed sample that looked like evidence of ESP.
INSIGHT

How Selection Produces False Evidence

  • Rhine's practice of keeping above-average performers created apparent proof from a biased sample.
  • This illustrates survivorship bias: survivors are visible, failures become invisible and distort conclusions.
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