Methods and Procedures:

TIMSS 2019 Technical Report

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

Chapter 17: Scaling and Reporting the TIMSS 2019 Problem Solving and Inquiry (PSI) Data

Bethany Fishbein and Pierre Foy

Chapter 17

• Appendix 17A: Characteristics of National Samples - eTIMSS with PSI
• Appendix 17B: Within-Country Scoring Reliability - PSI Items
• Appendix 17C: Modifications to PSI Data
• Appendix 17D: Derived PSI Items
• Appendix 17E: PSI Item Statistics by Booklet Position
• Appendix 17F: PSI Item Parameters