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Foy, Pierre, Ed.; Arora, Alka, Ed.; Stanco, Gabrielle M., Ed. – International Association for the Evaluation of Educational Achievement, 2013
This supplement contains documentation on the explicit and implicit stratification variables included in the TIMSS 2011 data files. The explicit strata are smaller sampling frames, created from the national sampling frames, from which national samples of schools were drawn. The implicit strata are nested within the explicit strata, and were used…
Descriptors: Predictor Variables, Sampling, Comparative Education, International Education
Martin, Michael O., Ed.; Mullis, Ina V.S., Ed.; Chrostowski, Steven J., Ed. – International Association for the Evaluation of Educational Achievement, 2004
This volume describes the technical aspects of TIMSS 2003 and summarizes the main activities involved in the development of the data collection instruments, the data collection itself, and the analysis and reporting of the data. The thirteen chapters contained herein are: (1) Overview of TIMSS 2003 (Michael O. Martin and Ina V. S. Mullis); (2)…
Descriptors: Sampling, Quality Control, Science Tests, Grade 4