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
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.
|Grade 4||Grade 8||Grade 12|
|— Data not collected. For 2008 arts, only grade 8 was assessed. For 2006 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, 2000-2008 Assessments.
|Mathematics long-term trend assessment||2008||9, 13, 17|
|2004||9, 13, 17|
|Reading long-term trend assessment||2008||9, 13, 17|
|2004||9, 13, 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 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), various years, 2004 and 2008 Long-term Trend Assessments.