NAEP Analysis and Scaling - Range of Response Codes, Percentage 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 Assessment: 2004

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 Assessment: 2004

NAEP Technical DocumentationRange of response codes, percentage 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 assessment: 2004
Block	Item	Range of response codes	Sample size	Percent exact agreement	Intraclass correlation
R21	N021203	1–5	500	78	0.87
R23	N021803	1–4	500	93	0.91
R24	N022103	1–4	500	86	0.83
R25	N022405	1–4	500	88	0.87
NOTE: 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 18 August 2009 (JL)