Somesh Swami Hiremath·Apr 21Building Better Item Banks: The Crucial Role of Differential Item FunctioningWhy statistical noise is a threat to assessment fairness — and how a multi-method DIF workflow can fix it before final calibration.
Lulu Yan·Feb 4When Classical Test Theory Alone Is Not Enough: How Item Response Theory + Psychometrics Strengthen…A practical comparison for anyone building reliable human + automated evaluation systems for Generative AI, with cited papers in health AI…
Rohit Manjunath·Nov 2, 2023Item Response Theory: A Quick IntroductionGiven a set of questions and test-takers, what can we say about them? Are the questions assessing the test-takers fairly? Are the…
InBusuu TechbyStanisław Pstrokoński·Jun 5, 2023The Busuu Placement Test, Part II: how do you measure task difficulty and learner ability at the…The Busuu Placement Test uses Computerised Adaptive Testing (as explained in a previous article) based on a machine learning model known as…
InExperience StackbyGautham Bhat·Mar 29, 2022Quantifying Customer Engagement using Item Response TheoryIntroduction
