OECD Education Working Papers

This series is designed to make available to a wider readership selected studies drawing on the work of the OECD Directorate for Education. Authorship is usually collective, but principal writers are named. The papers are generally available only in their original language (English or French) with a short summary available in the other.

English, French

Introduction of multistage adaptive testing design in PISA 2018

This paper describes and evaluates a multistage adaptive testing (MSAT) design that was implemented for the Programme for International Student Assessment (PISA) 2018 main survey for the major domain of Reading. Through a simulation study, recovery of item-response theory model parameters and measurement precision were examined. The PISA 2018 MSAT design resulted in a parameter recovery as good as the operational benchmark, and measurement precision was improved by 4 to 5% with gains up to 10% at the extreme performance levels.


Keywords: item parameter estimation, Programme for International Student Assessment (PISA), large-scale assessments, multistage adaptive testing, assessment designs
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