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Download full textBeaton, Albert E.; Chromy, James R. – American Institutes for Research, 2010
The objectives of this research are to (a) compare the trend lines after some adjustments for level and scale only and determine if and how they differ; (b) describe the methodology of each assessment and identify similarities and differences; and (c) attempt to explain any observed differences based on comparable subsets or on special analysis.…
Descriptors: Ethnic Groups, Validity, National Competency Tests, Program Effectiveness
Beaton, Albert E.; And Others – 1996
The Third International Mathematics and Science Study (TIMSS) is the largest and most ambitious study undertaken by the International Association for the Evaluation of Educational Achievement. Forty-five countries collected data in more than 30 languages. Five grade levels were tested in the two subject areas, so that more than half a million…
Descriptors: Comparative Analysis, Data Collection, Family Environment, Foreign Countries
