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NAEP Analysis and Scaling → Initial Activities → Summaries of Response Rates → Summary Response Rates for the NAEP 2007 Reading Combined National and State Main Assessment

NAEP Technical DocumentationSummary Response rates for the NAEP 2007 Reading Combined National and State Main Assessments

The tables below provide relevant summary statistics for the 2007 reading combined national and state main assessments.

Number of items, reading combined national and state assessments, by item type and grade: 2007

Grade	Multiple-choice items	Dichotomous constructed-response items	Polytomous constructed-response items
4	57	11	32
8	65	28	47
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Reading Assessment.

Average percentage missing, reading combined national and state assessments, by item type and grade: 2007

Grade	Statistic	Multiple-choice items	Dichotomous constructed-response items	Polytomous constructed-response items
4	Average percentage missing	5.92	8.82	9.81
	Minimum	0.37	1.34	1.72
	Maximum	20.64	24.14	28.83
8	Average percentage missing	2.42	8.41	5.99
	Minimum	0.33	1.14	0.29
	Maximum	13.22	25.53	26.80
NOTE: Missing responses includes the categories "omitted" and "not-reached". SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Reading Assessment.

Average percentage off-task, reading combined national and state assessments, by item type and grade: 2007

Grade	Statistic	Dichotomous constructed-response items	Polytomous constructed-response items
4	Average percentage off-task	0.17	0.13
	Minimum	0.03	0.03
	Maximum	0.51	0.35
8	Average percentage off-task	0.11	0.13
	Minimum	0.02	0.02
	Maximum	0.21	0.43
NOTE: An "off-task" response (constructed-response items only) is a response that is unrelated to the question and is considered inappropriate. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Reading Assessment.

Average weighted percentage correct, reading combined national and state assessments, by item type and grade: 2007

Grade	Multiple-choice items	Dichotomous constructed-response items	Polytomous constructed-response items
4	72.19	59.85	49.42
8	75.22	63.33	54.57
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Reading Assessment.

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