Michael O. Martin, Ina V.S. Mullis, and Pierre Foy
Download TIMSS 2019 Assessment Design (pdf)
References
Foy, P., & Yin, L. (2016). Scaling the TIMSS 2015 Achievement Data. In M.O. Martin, I.V.S. Mullis, & M. Hooper (Eds.), Methods and Procedures in TIMSS 2015 (pp. 13.1–13.62). Retrieved from https://timssandpirls.bc.edu/publications/timss/2015-methods/chapter-13.html
UNESCO. (2012). International Standard Classification of Education ISCED 2011. Retrieved from http://uis.unesco.org/sites/default/files/documents/international-standard-classification-of-education-isced-2011-en.pdf