NAEP Analysis and Scaling - Range of Response Codes, Percent Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items From Previous Years Rescored in 2006, Grade 8 Civics Assessment, By Item and Block: 2006

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 2006, Grade 8 Civics Assessment, by Item and Block: 2006

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 2006, grade 8 civics assessment, by item and block: 2006
Block	Item	Range of response codes	Sample size	Percent of exact 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), 2006 Civics Assessment.
P4	P040803	1–3	700	76	†	0.78
	P040807	1–4	800	92	†	0.94
	P040813	1–4	700	72	†	0.68
P5	P040903	1–3	800	56	†	0.49
	P040906	1–3	700	80	†	0.79
	P040910	1–3	800	75	†	0.63
	P040913	1–3	800	90	†	0.91
P6	P041003	1–3	800	85	†	0.85
	P041007	1–3	700	77	†	0.72
	P041013	1–3	800	84	†	0.76
	P041014	1–3	800	83	†	0.82
P7	P041102	1–3	800	81	†	0.83
	P041106	1–4	800	69	†	0.59
	P041111	1–3	800	79	†	0.76
	P041116	1–3	800	71	†	0.64
P8	P041202	1–3	800	75	†	0.77
	P041205	1–3	800	78	†	0.62
	P041213	1–4	800	74	†	0.80
P9	P041307	1–4	700	77	†	0.84
	P041309	1–3	700	84	†	0.83
	P041315	1–3	700	76	†	0.75

Last updated 19 November 2009 (GF)