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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → Treatment of Items to Avoid Violations of Assumptions → Results of NAEP Differential Item Functioning Analyses → Number of Items by Severity of Differential Item Functioning, Writing National Assessment, By DIF Category and Grade: 2011

NAEP Technical DocumentationNumber of polytomously scored items by severity of differential item functioning, writing national and assessment, by differential item functioning (DIF) category and grade: 2011
Grade DIF category Female/Male Black/White Hispanic/White
NOTE: This includes all items in the assessment (the prescaling decisions). In 2011, grade 4  was not assessed in writing.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Writing Assessment.
8 SMD≤-0.1 0 1 1
0.1>SMD>-0.1 21 21 21
SMD≥0.1 1 0 0
|SMD/SD|<0.25 22 22 22
|SMD/SD|≥0.25 0 0 0
12 SMD≤-0.1 0 0 1
0.1>SMD>-0.1 22 22 21
SMD≥0.1 0 0 0
|SMD/SD|<0.25 22 22 22
|SMD/SD|≥0.25 0 0 0

Last updated 06 January 2016 (GF)