Page Title:
Keywords:
Description:
Skip Navigation
NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Number of Items in Each Subject Area Scale

Number of Items in Each Subject Area Scale

For each subject area, the total number of items and the numbers of items in each subject area scale are provided for each grade level. Item counts are available for each scale as defined in the final Item Response Theory (IRT) scales, as well as prior to the IRT scaling.

Starting in 2009, two tables are displayed for the final IRT scaling results in science. The first table contains univariate scaling results. The second table contains scaling results based on the three science subscales: Earth and Space Sciences, Physical Science, and Life Science.

Links to number of items, national assessments, by subject area: Various years, 2000–2012
Year Subject area
2012 Economics
2011 Mathematics
Reading
Reading vocabulary
Science
Writing
2010 Civics
Geography
U.S. History
2009 Mathematics
Reading
Science
2008 Arts
2007 Mathematics
Reading
Writing
2006 Civics
Economics
U.S. History
2005 Mathematics
Reading
Science
2003 Mathematics
Reading
2002 Reading
Writing
2001 Geography
U.S. History
2000 Mathematics
Reading
Science
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), Various subjects, various years, 2000–2012.

Links to number of items, long-term trend assessments, by subject area: 2004, 2008, and 2012
Year Subject area
2012 Mathematics long-term trend
Reading long-term trend
2008 Mathematics long-term trend
Reading long-term trend
2004 Mathematics long-term trend
Reading long-term trend bridge study
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 12 February 2013 (JL)