Encountering Assumptions

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Until January 9th, we will be providing limited access each week to a different one of the seven 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.


From December 26th until January 1st we featured on this page the TOK Sampler Encountering Assumptions which highlights the numerous biases and assumptions that are regularly encountered during the search for knowledge.

Each expert clip is roughly a minute in length and is paused briefly to highlight a sample knowledge question related to the material.


  • Ellen Bialystok, Psychologist, York University
  • Joseph Curtin, Violinmaker and Acoustician, Joseph Curtin Associates
  • Matthew Walker, Neuroscientist, UC Berkeley
  • Frans de Waal, Anthropologist, Emory University
  • Lisa Feldman Barrett, Psychologist, Northeastern University
  • Mark Bevir, Political Scientist, UC Berkeley
  • Stephen Hinshaw, Psychologist, UC Berkeley
  • Margaret Jacob, Historian, UCLA
  • Roger Penrose, Physicist, University of Oxford

Please contact irena@ideasroadshow.com if you’d like to receive further information about Ideas Roadshow’s IBDP Portal and individual and institutional subscriptions to our comprehensive database of more than 400 video and print resources tailor-made for the Diploma Programme, capturing uniquely accessible insights of over 60 top researchers, including 2 Nobel Laureates, to support teachers and students with TOK, TOK Connections, the Extended Essay and 21 DP subjects..



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