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Civics Assessment IRT Parameters

The table below contains links to Item Response Theory (IRT) parameters for NAEP civics items that were scaled, as well as the block in which each item appears 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.

Civics long-term trend IRT parameters: 2006
Year Assessment Grade 4 Grade 8 Grade 12
2006 Long-term trend assessment R3 R3 R3
NOTE: R3 refers to accommodations offered to students with disabilities (SD) and English language learners (ELL) participating in the NAEP assessment.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2006 Civics Assessments.

Last updated 17 May 2010 (JL)

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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education