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Examining the Relationships among Mathematics Coaches and Specialists, Student Achievement, and Disability Status: A Multilevel Analysis Using National Assessment of Educational Progress Data
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Harbour, Kristin E.; Adelson, Jill L.; Pittard, Caroline M.; Karp, Karen S. – Elementary School Journal, 2018
Using restricted-use data from the 2011 National Assessment of Educational Progress mathematics assessment, the current study examined the relationship between the presence of elementary mathematics coaches and specialists (MCSs) and the mathematics achievement of more than 190,000 fourth-grade students in more than 7,400 schools nationwide. In…
Descriptors: Correlation, Mathematics Instruction, Academic Achievement, National Competency Tests
Assessing Impact, DIF, and DFF in Accommodated Item Scores: A Comparison of Multilevel Measurement Model Parameterizations
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Beretvas, S. Natasha; Cawthon, Stephanie W.; Lockhart, L. Leland; Kaye, Alyssa D. – Educational and Psychological Measurement, 2012
This pedagogical article is intended to explain the similarities and differences between the parameterizations of two multilevel measurement model (MMM) frameworks. The conventional two-level MMM that includes item indicators and models item scores (Level 1) clustered within examinees (Level 2) and the two-level cross-classified MMM (in which item…
Descriptors: Test Bias, Comparative Analysis, Test Items, Difficulty Level
The Effects of Content Organization and Curriculum Implementation on Students' Mathematics Learning in Second-Year High School Courses
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Tarr, James E.; Grouws, Douglas A.; Chavez, Oscar; Soria, Victor M. – Journal for Research in Mathematics Education, 2013
The authors examined curricular effectiveness in high schools that offered parallel paths in which students were free to study mathematics using 1 of 2 content organizational structures, an integrated approach or a (traditional) subject-specific approach. The study involved 3,258 high school students, enrolled in either Course 2 or Geometry, in 11…
Descriptors: Mathematics Instruction, High School Students, Curriculum Implementation, Teaching Methods