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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 Used in Scaling, Grade 8 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 used in scaling, grade 8 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 P042171 1–3 600 91 0.90
P042174 1–3 500 80 0.49
P042177 1–3 600 88 0.89
P042181 1–3 500 88 0.87
P042184 1–3 500 86 0.80
P4 P040803 1–3 500 85 0.87
P040807 1–4 600 91 0.94
P040813 1–4 500 82 0.80
P5 P040903 1–3 500 68 0.64
P040906 1–3 400 88 0.87
P040910 1–3 500 85 0.77
P040913 1–3 500 94 0.94
P6 P041003 1–3 500 89 0.90
P041007 1–3 500 79 0.77
P041013 1–3 600 83 0.74
P041014 1–3 600 87 0.83
P7 P041102 1–3 500 88 0.88
P041106 1–4 500 78 0.77
P041111 1–3 500 81 0.80
P041116 1–3 400 79 0.68
P8 P041202 1–3 600 80 0.80
P041205 1–3 500 82 0.73
P041213 1–4 500 86 0.89
P9 P041307 1–4 500 92 0.94
P041309 1–3 500 87 0.87
P041315 1–3 500 80 0.80
P10 P042152 1–3 600 92 0.93
P042155 1–4 500 87 0.91
P042158 1–3 600 84 0.80
P042162 1–3 500 91 0.90

Last updated 19 November 2009 (GF)

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