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NAEP Technical DocumentationWriting Assessment IRT Parameters

The table below contains links to Item Response Theory (IRT) parameters for NAEP writing items that were scaled, as well as the block in which each item appeared for each grade (Block) and the position of each item within its block (Item). Note that these item parameters are provided in the metrics used for the original calibration of the scales.

Links to writing item response theory (IRT) parameters tables, by year: Various years, 2002–2011
Year Assessment
2011 National assessment grade 8
National assessment grade 12
2007 Combined national and state assessments grade 8
National assessment grade 12
2002 Combined national and state assessments grade 4
Combined national and state assessments grade 8
National assessment grade 12
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), various years, 2002–2011 Writing Assessments.

Last updated 14 March 2016 (GF)