TAL Education Technology

Jun 24, 2020 · Fundamentals

Application of IRT Theory and Techniques in Large‑Scale International Assessments: The Case of PISA

This article explains how Item Response Theory (IRT) models and linking techniques are employed in the Programme for International Student Assessment (PISA) to ensure cross‑national and longitudinal comparability of large‑scale educational measurements, illustrating design, matrix sampling, and model specifics such as 2PL and GPCM.