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NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percentage Exact Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items From 1994 That Were Rescored in 2001, by Block and Item, Grade 12 U.S. History Assessment: 2001
Range of response codes, percentage exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from 1994 that were rescored in 2001, by block and item, grade 12 U.S. history assessment: 2001
Block Item Range of response codes Sample size Percentage exact agreement Cohen's Kappa Intraclass correlation
H3 H044301 1–4 600 70 0.75
H044301 1–4 600 84 0.91
H044702 1–3 600 91 0.81
H045102 1–3 600 86 0.83
H045301 1–3 600 89 0.88
H4 H045501 1–4 600 61 0.67
H045901 1–4 600 83 0.85
H046001 1–2 700 100 1.00
H046101 1–3 600 96 0.95
H046301 1–3 600 88 0.82
H6 H048901 1–3 600 97 0.98
H049401 1–4 600 84 0.67
H049503 1–3 600 85 0.77
H049601 1–4 600 84 0.84
H049701 1–3 600 99 0.99
H7 H050101 1–4 600 79 0.86
H050201 1–4 600 76 0.78
H051101 1–3 600 84 0.83
H051102 1–3 600 78 0.82
H8 H051301 1–3 600 79 0.68
H052301 1–4 600 82 0.81
H052501 1–3 600 87 0.90
H052601 1–3 600 81 0.73
H10 H042201 1–3 600 97 0.88
H042801 1–4 600 89 0.94
H042902 1–3 600 91 0.94
H043001 1–3 600 81 0.84
H043101 1–3 600 96 0.96
† 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), 2001 U.S. History Assessment.

Last updated 15 July 2008 (KL)

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