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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 4 U.S. History Assessment, by Item and Block: 2006
Range of response codes, percent exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items used in scaling, grade 4 U.S. history assessment, by item and block: 2006
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa Intraclass correlation
H3 H065701 1–4 500 77.47 0.72
H065801 1–4 500 97.98 0.99
H066001 1–3 400 77.23 0.75
H066501 1–4 400 97.05 0.98
H066701 1–3 400 93.98 0.90
H4 H054301 1–3 500 86.42 0.87
H054601 1–3 500 91.19 0.88
H054801 1–3 500 90.82 0.91
H054901 1–3 500 94.94 0.95
H055301 1–3 400 91.33 0.91
H5 H055901 1–3 600 90.23 0.91
H056101 1–3 400 93.43 0.93
H056401 1–3 500 95.84 0.96
H056601 1–3 500 95.26 0.95
H056801 1–3 500 97.40 0.95
H6 H067401 1–3 500 91.72 0.91
H067701 1–3 500 95.73 0.96
H068001 1–4 500 83.84 0.83
H068201 1–3 400 94.64 0.93
H068301 1–3 400 92.00 0.90
H068501 1–3 300 87.19 0.83
H7 H057501 1–3 500 97.35 0.96
H057701 1–3 500 87.87 0.83
H057801 1–3 400 88.50 0.84
H058601 1–3 400 84.44 0.85
H058701 1–3 400 82.92 0.80
H8 H034101 1–4 500 96.13 0.82
H034401 1–3 500 96.22 0.95
H034501 1–2 500 99.36 0.96
H034702 1–3 400 98.41 0.93
H035001 1–3 400 86.17 0.84
H035101 1–3 500 88.24 0.90
† 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 U.S. History Assessment.

Last updated 19 November 2009 (GF)

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