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Direct linkWei, Silin; Liu, Xiufeng; Jia, Yuane – International Journal of Science and Mathematics Education, 2014
Scientific models and modeling play an important role in science, and students' understanding of scientific models is essential for their understanding of scientific concepts. The measurement instrument of "Students' Understanding of Models in Science" (SUMS), developed by Treagust, Chittleborough & Mamiala ("International…
Descriptors: Foreign Countries, High School Students, Measures (Individuals), Models
Download full textAbedalaziz, Nabeel; Leng, Chin Hai – Malaysian Online Journal of Educational Sciences, 2013
Most of the tests and inventories used by counseling psychologists have been developed using CTT; IRT derives from what is called latent trait theory. A number of important differences exist between CTT- versus IRT-based approaches to both test development and evaluation, as well as the process of scoring the response profiles of individual…
Descriptors: Test Theory, Item Response Theory, Difficulty Level, Models
