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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 Used in Scaling, 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 used in scaling, 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 78 0.89
H044501 1–4 600 90 0.96
H044702 1–3 600 94 0.94
H045102 1–3 600 92 0.96
H045301 1–3 600 94 0.96
H4 H045501 1–4 600 81 0.87
H045901 1–4 600 80 0.89
H046001 1–2 600 99 0.99
H046101 1–3 600 96 0.96
H046301 1–3 600 95 0.96
H5 H062001 1–3 600 84 0.86
H062201 1–3 600 92 0.94
H063101 1–3 600 87 0.91
H063401 1–4 600 87 0.95
H063601 1–3 600 89 0.94
H6 H048901 1–3 600 99 1.00
H049401 1–4 600 86 0.77
H049503 1–3 600 86 0.88
H049601 1–4 600 87 0.93
H049701 1–3 600 98 0.99
H7 H050101 1–4 600 82 0.91
H050201 1–4 600 82 0.91
H051002 1–3 600 99 0.99
H051101 1–3 600 87 0.89
H051102 1–3 600 82 0.90
H8 H051301 1–3 600 86 0.89
H052301 1–4 600 73 0.84
H052501 1–3 600 92 0.96
H052601 1–3 600 86 0.90
H052701 1–3 600 88 0.91
H9 H060701 1–3 600 94 0.97
H061501 1–3 600 82 0.86
H061601 1–3 600 91 0.91
H061801 1–3 600 96 0.96
H10 H042201 1–3 600 97 0.94
H042801 1–4 600 92 0.95
H042902 1–3 600 95 0.97
H043001 1–3 600 86 0.90
H043101 1–3 600 97 0.98
H11 H063801 1–3 600 82 0.80
H064001 1–3 600 88 0.88
H064101 1–3 600 89 0.93
H064401 1–4 600 82 0.91
H064901 1–3 600 84 0.86
H065101 1–3 600 79 0.80
H065201 1–3 600 78 0.85
H065301 1–3 600 86 0.92
H065401 1–4 600 88 0.95
† 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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