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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 4 Civics Assessment, by Item and Block: 2006

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 4 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.
P3 P030004 1–3 800 70 0.68
P030005 1–3 800 83 0.80
P030007 1–3 800 81 0.78
P030010 1–4 700 82 0.83
P4 P040102 1–3 800 86 0.85
P040105 1–3 800 82 0.80
P040109 1–3 700 92 0.88
P040111 1–3 700 81 0.80
P5 P040203 1–4 800 87 0.88
P040206 1–3 800 90 0.69
P040209 1–3 800 74 0.64
P8 P040502 1–4 800 77 0.87
P040507 1–3 800 87 0.76
P040510 1–3 700 75 0.69

Last updated 19 November 2009 (GF)

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