Methods and Procedures:

TIMSS 2019 Technical Report

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

Chapter 18: Constructing the TIMSS 2019 Environmental Awareness Scales

Liqun Yin and Pierre Foy

Chapter 18

• Appendix 18A-B: Re-estimated Science Content Domains
• Appendix 18C-D: Environmental Scale Box Plots