Summary Item Response Rates, Civics National Assessment, by Item Type and Grade: 2018

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NAEP Technical DocumentationSummary Item Response Rates, Civics National Assessment, by Item Type and Grade: 2018
Summary item response rates, civics DBA national assessment, by item type and grade: 2018
Grade	Statistic	Multiple-choice items	Dichotomous constructed-response items	Polytomous constructed-response items
8	Number of items	116	2	51
	Average percent missing¹	6.22	20.02	9.14
	Minimum	0.20	9.84	0.50
	Maximum	28.59	30.20	32.88
	Average percent off-task²	†	0.15	1.02
	Minimum	†	#	#
	Maximum	†	0.30	5.45
	Average weighted percent correct	56.62	26.35	45.74
† Not applicable. # Rounds to zero. 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. NOTE: DBA = Digitally based assessment. In 2018, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Civics Assessment.

Summary item response rates, civics PBA national assessment, by item type and grade: 2018
Grade	Statistic	Multiple-choice items	Dichotomous constructed-response items	Polytomous constructed-response items
8	Number of items	120	0	32
	Average percent missing¹	5.08	†	10.33
	Minimum	0.42	†	3.08
	Maximum	17.49	†	27.65
	Average percent off-task²	†	†	0.72
	Minimum	†	†	0.08
	Maximum	†	†	2.44
	Average weighted percent correct	56.00	†	37.41
† 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. NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Civics Assessment.

Last updated 17 January 2023 (ML)

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