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Meyer, S., Cockle, M., & Taneva, M. (2016). Creating the TIMSS Advanced 2015 International Database. In M. O. Martin, I. V. S. Mullis, & M. Hooper (Eds.), Methods and Procedures in TIMSS Advanced 2015 (pp.10.1-10.12). Retrieved from Boston College, TIMSS & PIRLS International Study Center website: https://timssandpirls.bc.edu/publications/timss/2015-a-methods/chapter-10.html
Methods and Procedures in TIMSS Advanced 2015
Michael O. Martin, Ina V.S. Mullis, and Martin Hooper, Editors
Sebastian Meyer, Mark Cockle, and Milena Taneva