NAEP Analysis and Scaling - Range of Response Codes, Percent Exact Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items Used in Scaling, by Block and Item, Age 9 Reading Long-Term Trend Bridge Study: 2004

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NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percent Exact Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items Used in Scaling, by Block and Item, Age 9 Reading Long-Term Trend Bridge Study: 2004

Range of response codes, percent exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items used in scaling, by block and item, age 9 reading long-term trend bridge study: 2004
Block	Item	Range of response codes	Sample size	Percent exact agreement	Cohen's Kappa	Intraclass correlation
H	N001527	1–2	200	100	1.00	†
J	N008905	1–2	200	100	1.00	†
L	N002804	1–2	200	96	0.89	†
M	N003104	1–2	100	96	0.58	†
N	N003704	1–2	100	97	0.94	†
R21	N021203	1–5	200	77	†	0.85
† 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), 2004 Reading Long-Term Trend Assessment.

Last updated 06 April 2009 (GF)

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National Center for Education Statistics - http://nces.ed.gov
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U.S. Department of Education
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National Center for Education Statistics