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Foy, P., Martin, M. O., Mullis, I. V. S., Yin, L., Centurino, V. A. S., & Reynolds, K. A. (2016). Reviewing the ºìÐÓÊÓÆµ 2015 Achievement Item Statistics. In M. O. Martin, I. V. S. Mullis, & M. Hooper (Eds.), Methods and Procedures in ºìÐÓÊÓÆµ 2015 (pp. 11.1-11.43). Retrieved from Boston College, ºìÐÓÊÓÆµ; PIRLS International Study Center website: http://timss.bc.edu/publications/timss/2015-methods/chapter-11.html
Methods and Procedures in ºìÐÓÊÓÆµ 2015
Michael O. Martin, Ina V.S. Mullis, and Martin Hooper, Editors
Pierre Foy, Michael O. Martin, Ina V.S. Mullis, Liqun Yin, Victoria A.S. Centurino, and Katherine A. Reynolds