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Mullis, Ina V. S., Ed.; Martin, Michael O., Ed. – International Association for the Evaluation of Educational Achievement, 2013
Now entering into its 20th year of data collection, Trends in International Mathematics and Science Study, (TIMSS) is an international assessment of mathematics and science at the fourth and eighth grades. TIMSS 2015 is the most recent in the TIMSS series, which began with the first assessments in 1995 and has continued every four years--1999,…
Descriptors: Mathematics Achievement, Educational Assessment, Student Evaluation, Grade 4
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Liu, Xiufeng; Lesniak, Kathleen M. – Science Education, 2005
Using the US national sample from the Third International Mathematics and Science Study (TIMSS) and the Rasch modeling method, this study identified the conceptual progression sequence of various matter concept aspects, and compared students' latent abilities against the sequence. We found that the four matter aspects, i.e. conservation, physical…
Descriptors: Scientific Concepts, Elementary Secondary Education, Models, Conservation (Concept)