NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percent Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items From Previous Years, Rescored in 2009, Grade 12 U.S. History National Assessment, by Item and Block: 2010

NAEP Technical DocumentationRange of response codes, percent agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from previous years, rescored in 2010, grade 12 U.S. history national assessment, by item and block: 2010

Block	Item	Range of response codes	Sample size	Percent agreement	Cohen’s Kappa	Intraclass correlation
† The intraclass correlation is not reported for dichotomously scored items; Cohen's Kappa is not reported for polytomously scored items. NOTE: Cohen's Kappa is a measure of reliability that is appropriate for items that are dichotomously scored. The intraclass correlation coefficient is most appropriate for items with more than two categories. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2010 U.S. History Assessment.
H3	H073501	1-3	700	74	†	0.73
	H074001	1-3	700	89	†	0.89
	H074401	1-3	700	75	†	0.73
	H074801	1-3	700	87	†	0.87
	H075101	1-4	700	74	†	0.74
H4	H045509	1-3	700	73	†	0.66
	H045901	1-4	700	77	†	0.80
	H046001	1-2	700	99	0.98	†
	H046101	1-3	700	98	†	0.98
	H046301	1-3	700	77	†	0.72
H5	H062001	1-3	700	73	†	0.61
	H062201	1-3	700	81	†	0.78
	H063101	1-3	700	86	†	0.86
	H063401	1-4	700	80	†	0.88
	H063601	1-3	700	80	†	0.79
H6	H048901	1-3	700	93	†	0.95
	H049401	1-4	700	87	†	0.47
	H049503	1-3	700	79	†	0.64
	H049601	1-4	900	77	†	0.78
	H049701	1-3	700	95	†	0.96
H7	H075301	1-3	700	77	†	0.72
	H075701	1-3	700	83	†	0.67
	H076401	1-3	700	75	†	0.77
	H076501	1-3	700	78	†	0.68
	H076801	1-3	700	82	†	0.81
H10	H042201	1-3	700	90	†	0.78
	H042801	1-4	700	82	†	0.87
	H042902	1-3	700	86	†	0.88
	H043001	1-3	700	70	†	0.70
	H043101	1-3	700	90	†	0.89
H11	H063801	1-3	700	73	†	0.66
	H064001	1-3	700	74	†	0.66
	H064101	1-3	700	71	†	0.73
	H064401	1-4	700	69	†	0.79
	H064901	1-3	800	80	†	0.80
	H065101	1-3	700	71	†	0.67
	H065201	1-3	700	67	†	0.67
	H065301	1-3	800	66	†	0.67
	H065401	1-4	700	64	†	0.76

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