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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 From Previous Years, Rescored in 2004, by Block and Item, Age 9 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 from previous years, rescored in 2004, 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
B8 N001527 1–6 600 78 0.82
B10 N008905 1–6 800 92 0.97
B12 N002804 1–5 800 90 0.95
B13 N003104 1–5 800 92 0.92
B14 N003704 1–4 800 90 0.91
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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