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Direct linkTaylor, Joseph; Banilower, Eric; Clayton, Grant – Journal of Science Teacher Education, 2020
This study used nationally representative data from the 2011 National Assessment of Educational Progress (8th-grade Science) and the 2018 National Survey of Science and Mathematics Education toward two primary purposes: (1) to examine the association between teachers' formal (university) content preparation in science and student outcomes in…
Descriptors: Science Teachers, Teacher Qualifications, Preservice Teacher Education, Science Instruction
Culpepper, Steven Andrew – Journal of Educational and Behavioral Statistics, 2017
In the absence of clear incentives, achievement tests may be subject to the effect of slipping where item response functions have upper asymptotes below one. Slipping reduces score precision for higher latent scores and distorts test developers' understandings of item and test information. A multidimensional four-parameter normal ogive model was…
Descriptors: Measurement, Achievement Tests, Item Response Theory, National Competency Tests
Download full textHalbert, Julie Wright; Gamm, Sue – Council of the Great City Schools, 2017
The Sacramento City Unified School District (SCUSD), asked the Council of the Great City Schools to review the district's services for students with disabilities and provide recommendations to improve performance and narrow the achievement gap between these students and their nondisabled peers. This report was designed to help SCUSD achieve its…
Descriptors: School Districts, Disabilities, Student Needs, Special Education
