Chapter 10 – Methods and Procedures: PIRLS 2021 Technical Report

Methods and Procedures:
PIRLS 2021 Technical Report

Matthias von Davier, Ina V.S. Mullis, Bethany Fishbein, and Pierre Foy, Editors


Chapter 10: PIRLS 2021 Achievement Scaling Methodology: Item Response Theory, Population Models, and Linking Across Modes

Ummugul Bezirhan, Pierre Foy, and Matthias von Davier

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