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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 17 Reading Long-Term Trend Assessment: 2004
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 17 reading long-term trend assessment: 2004
Block Item Range of response codes Sample size Percent exact agreement Intraclass correlation
R21 N021203 1–5 600 84 0.91
R22 N023802 1–4 600 87 0.87
R23 N021803 1–4 600 92 0.95
R24 N022103 1–4 600 87 0.88
R25 N022405 1–4 600 94 0.91
R26 N025704 1–4 600 93 0.96
R28 N027302 1–5 600 84 0.88
R29 N027602 1–4 600 86 0.85
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 06 April 2009 (GF)

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