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NAEP Analysis and Scaling → Initial Activities → Summaries of Item-Level Response Rates for NAEP Assessments → Summary Response Rates for the NAEP 2008 Arts (Music) Assessment

NAEP Technical DocumentationSummary Response Rates for the NAEP 2008 Arts (Music) Assessment

Summary item response rates, arts (music) assessment, by item type and grade: 2008
Grade Statistic Multiple-choice items Dichotomous constructed-response items Polytomous constructed-response items
† Not applicable.
1 Missing responses include the categories "omitted" and "not reached."
2 An "off-task" response (constructed-response items only) is a response that is unrelated to the question.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2010 Arts (Music) Assessment.
8 Number of items 48.00 12.00 49.00
Average percent missing1 2.99 14.50 11.44
Minimum 0.24 1.61 0.24
Maximum 12.58 52.81 64.97
Average percent off-task2 2.84 0.99
Minimum 0.32 0.12
Maximum 13.91 3.99
Average weighted proportion correct 57.51 40.13 34.44

Last updated 01 November 2011 (JL)