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 4 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 4 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	H065701	1-4	700	79	†	0.72
	H065801	1-4	700	98	†	0.99
	H066001	1-3	700	79	†	0.73
	H066501	1-4	700	96	†	0.96
	H066701	1-3	700	91	†	0.86
H4	H054301	1-3	700	84	†	0.83
	H054601	1-3	700	87	†	0.81
	H054801	1-3	700	88	†	0.88
	H054901	1-3	700	89	†	0.90
	H055301	1-3	700	90	†	0.90
H5	H055901	1-3	700	92	†	0.92
	H056101	1-3	700	88	†	0.87
	H056401	1-3	700	93	†	0.93
	H056601	1-3	700	94	†	0.93
	H056801	1-3	700	96	†	0.94
H6	H067401	1-3	700	85	†	0.84
	H067701	1-3	700	92	†	0.92
	H068001	1-4	700	80	†	0.78
	H068201	1-3	700	88	†	0.85
	H068301	1-3	700	80	†	0.69
	H068501	1-3	700	90	†	0.85

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