Testing Theories

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Between December 5 and January 9th, we will be providing limited access each week to a different one of our 7 TOK Samplers from Ideas Roadshow‘s IBDP Portal that explicitly demonstrate TOK concepts from the front lines of research.  All TOK Samplers are inherently interdisciplinary, featuring experts across a wide range of disciplines.


Testing Theories investigates ten different perspectives associated with the process of gaining knowledge by testing our theories. Each expert clip is roughly a minute in length and is paused briefly to highlight a sample knowledge question related to the material.


  • Kalanit Grill-Spector, Neuroscientist, Stanford University
  • John Dunn, Political Scientist, University of Cambridge
  • Richard Janko, Classicist, University of Michigan
  • Rocky Kolb, Physicist, University of Chicago
  • Elyn Saks, Professor of Law, USC
  • Martin Monti, Psychologist, UCLA
  • Carol Padden, Sign-Language Linguist, UC San Diego
  • Stephen Kosslyn, Psychologist, Minerva Schools
  • Paul Steinhardt, Physicist, Princeton University
  • Philip Zimbardo, Psychologist, Stanford University


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