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Known and unknown unknowns - AS 2026

Avatar for Linda van de Vooren Linda van de Vooren
August 21, 2026
4

Known and unknown unknowns - AS 2026

Avatar for Linda van de Vooren

Linda van de Vooren

August 21, 2026

Transcript

  1. Linda van de Vooren The slides and more will be

    shared at the end of the talk
  2. Unknown Known Active and tacit knowledge Known Unknown Known knowns

    Known unknowns Unknown knowns Unknown unknowns
  3. Where is the problem? • Curse of knowledge Also: Curse

    of expertise, Expert’s curse 1989
  4. Where is the problem? • Curse of knowledge • False

    consensus effect Also: Consensus bias 1977
  5. Where is the problem? • Curse of knowledge • False

    consensus effect • Dunning-Kruger effect 1999
  6. Where is the problem? • Curse of knowledge • False

    consensus effect • Dunning-Kruger effect • Naive realism 1952
  7. Where is the problem? • Curse of knowledge • False

    consensus effect • Dunning-Kruger effect • Naive realism • Zone of proximal development 1931-1934 Learner can do unaided Learner can do with guidance Learner cannot do
  8. Where is the problem? • Curse of knowledge • False

    consensus effect • Dunning-Kruger effect • Naive realism • Zone of proximal development • Shoshin 13th century / 1970 (Zen Buddhism)
  9. Where is the problem? • Curse of knowledge • False

    consensus effect • Dunning-Kruger effect • Naive realism • Zone of proximal development • Shoshin
  10. Retaining knowledge • Spaced repetition • Practice tests • Low-stakes

    testing • Receiving and applying feedback • Spaced repetition • Active note taking • Teaching others
  11. Recollecting knowledge Initial stage Input via - Visual - Acoustic

    - Semantic - Tactile Lost forever Short-Term memory Long-Term memory 15-30 sec Active repetition 5-9 items Unlimited* Retrieval from ShortTerm memory Retrieval from LongTerm memory Mostly sequential Associations
  12. How to deal with unknowns Do • Identify • Explore

    • Be curious • Be suspicious Don’t • Assume • Panic • Ignore • Judge
  13. Used images • Slide 2 ‘Hello’ behzad-ghaffarian5JcdQfzR_YA-unsplash • Slide 3

    ‘?’ emily-morter-8xAA0f9yQnEunsplash • Slide 9 Dunning-Kruger By Phlsph7 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.ph p?curid=124731078 • Slide 10 Naïve realism By Mcooperwhite Own work. Illustration is a reproduction of diagrams as seen in Robinson et al. (1995) and Ross & Ward (1996)., CC BY-SA 4.0, https://commons.wikimedia.org/w/index.ph p?curid=44928118 • Slide 15 ‘Knowledge’ gabriella-claremarino-GSLA0FVY9qI-unsplash • Slide 17 ‘Wood walkway’ todd-trapaniv2Jf_jpNamc-unsplash • Slide 17 ‘Hallway’ kamil-feczkoGhxWry42_zQ-unsplash • Slide 17 ‘Cave’ joshua-sortinolRA_WTczjgw-unsplash • Slide 18 ‘Mug’ katie-drazdauskaiteuTWKKYqt3qQ-unsplash • Black cat: Design by Linda van de Vooren • Slides background: Design from canva pro subscription • Icons used: standard powerpoint