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
Ashrivastava·Oct 14, 2020Building an Intelligent Tutoring System from scratch (IRT + BKT)GitHub repo — https://github.com/myhoggy/ITS-POCs
Joy Bose·Jun 13, 2020Modelling a student’s learning and mastery using BKT, IRT and PFA modelsIn this article, we study popular models for modelling a student’s learning: Bayesian Knowledge Tracing (BKT), Item Response Theory…
InTDS ArchivebyJack Bailey·Sep 20, 2018Error and Uncertainty in Voters’ ValuesOver the past couple of months, Paula Surridge has written two really great blog posts exploring the relationship between voters’ values…
The Digital Transformation People·Jul 3, 2018A Brief, Non Technical Description of IRT — The Digital Transformation PeopleNOTE: The following was excerpted from Review of Tenko Raykov and George Marcoulides’s A Course in Item Response Theory and Modeling with…