Methods and Procedures:

TIMSS 2019 Technical Report

Michael O. Martin, Matthias von Davier, and Ina V.S. Mullis, Editors

Chapter 10: Reviewing the TIMSS 2019 Achievement Item Statistics

Bethany Fishbein, Pierre Foy, and Lillian Tyack

Chapter 10

• Appendix 10A: Within-Country Scoring Reliability
• Appendix 10B: Trend Scoring Reliability
• Appendix 10C: Cross-Country Scoring Reliability
• Appendix 10D: Item Statistics by Booklet Position
• Appendix 10E: Modifications to Achievement Data
• Appendix 10F: Derived Items