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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Scale Composition by Item Type for New and Trend Blocks

Scale Composition by Item Type for New and Trend Blocks

Each assessment includes blocks of new items and blocks of items from previous assessments. For the new items and for the trend items in each subject area scale, the number of

  • multiple-choice items,
  • dichotomously scored constructed-response items, and 
  • polytomously scored constructed-response items

are provided for each grade level. The item counts are available for each scale as defined in the final Item Response Theory (IRT) scales and are presented in two tables per assessment in the links below. The first table provides information about the items at the block level – before the items have been scaled. The second table provides information about the items after item treatments have been applied and these items have been scaled.

Links to scale composition by item type for new and trend blocks, by year, grade, and subject: Various years, 2000–2012
Subject Year Grade 4 Grade 8 Grade 12
Arts 2008 R3
Civics 2010 R3 R3 R3
2006 R3 R3 R3
Economics 2012 R3
2006 R3
Geography 2010 R3 R3 R3
2001 R3 R3 R3
Mathematics 2011 R3 R3
2009 R3 R3 R3
2007 R3 R3
2005 R3 R3 R3
2003 R3 R3
2000 R3 R3 R3
Reading 2011 R3 R3
2009 R3 R3 R3
2007 R3 R3
2005 R3 R3 R3
2003 R3 R3
2002 R3 R3 R3
2000 R3
Reading vocabulary 2011 R3 R3
2009 R3 R3 R3
Science 2011 R3
2009 R3 R3 R3
2005 R3 R3 R3
2000 R3 R3 R3
U.S. History 2010 R3 R3 R3
2006 R3 R3 R3
2001 R3 R3 R3
Writing 2011 R3 R3
2007 R3 R3
2002 R3 R3 R3
— Data not collected. For 2008 arts, only grade 8 was assessed. For 2006 and 2012 economics, only grade 12 was assessed. For 2007 writing, only grades 8 and 12 were assessed.  
NOTE: R3 refers to accommodations offered to students with disabilities (SD) and/or 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), various years, 2000–2012 Assessments.

Links to scale composition by item type for new and trend blocks, long-term trend assessments, by year, age, and subject: 2004, 2008, and 2012
Subject Year Age
Mathematics long-term trend assessment 2012 Age 9 Age 13 Age 17
2008 All ages
2004 Age 9 Age 13 Age 17
Reading long-term trend assessment 2012 Age 9 Age 13 Age 17
2008 All ages
2004 Age 9 Age 13 Age 17
NOTE: The 2008 mathematics and reading long-term trend assessment scales were reported in tables that included all three ages (9, 13 and 17). The 2004 and 2012 long-term trend assessment scales were reported in separate tables for each individual age.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004, 2008, and 2012 Long-Term Trend Assessments.

Last updated 19 September 2013 (JL)