A study examined issues related to between- and within-class decomposition of variance in reading achievement. The aim is to find "pure" latent structures of achievement at the between-class level as a basis for further investigation of explanatory factors such as teaching. Multilevel factor analysis (MFA) can give a pattern…

Cross-national studies in mathematics have consistently reported that U.S. students do not perform as well as Asian students on tasks requiring the application of mathematical knowledge and skills routinely learned in school. Recent studies have shown, however, that for tasks assessing relatively novel and complex problem solving, performance…

The Third International Mathematics and Science Study (TIMSS) measured mathematics and science achievement of middle school students in more than 40 countries. About one quarter of the tests' nearly 300 items were free response items requiring students to generate their own answers. Scoring these responses used a two-digit diagnostic code rubric…

This study is part of a larger research project designed to investigate social studies teaching at middle and high school levels in Turkey. This paper assesses curriculum implementation in social studies courses at middle school level from the perspectives of teachers and students. The study design included 88 middle schools in 22 provinces…