On Wednesday, October 28, 2020 Paul Newton of Ofqual presented on: Validity: The Big Picture In his presentation, Paul explains the two major threats to validity—construct underrepresentation and construct-irrelevant variance—in terms that your grandmother could understand. He introduces a metaphor, the signal processing metaphor, which helps us to understand how educational assessments are supposed to work; and, more importantly, how they can go wrong. This provides a “big picture” perspective…
After it became clear that the IAEA Annual Congress in 2020 and 2021 could not go ahead due to the pandemic, the IAEA Board of Trustees decided to start a series of webinars to maintain contact with members. In the months after October 2020, 8 webinars were presented by members from different countries. The organization of these webinars was in the hands of Mary Pitnoniak. The webinars listed below can now be viewed again, as soon as a recording becomes available it will be made available via this page.