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NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percent Exact Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items Used in Scaling, by Block and Item, Grade 12 Science National Main Assessment: 2005
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 science national main assessment: 2005
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa Intraclass correlation
B3 K049501 1–4 500 98 0.82
K049502 1–5 500 92 0.95
K049503 1–3 500 85 0.88
K049504 1–3 500 87 0.90
K049505 1–3 500 88 0.88
K049506 1–3 400 87 0.67
B5 K040801 1–3 500 97 0.89
K040802 1–3 500 99 0.95
K040803 1–3 500 97 0.96
K040804 1–3 400 91 0.92
K040805 1–3 400 94 0.94
K040806 1–2 400 87 0.69
K040808 1–3 500 97 0.98
K040809 1–3 400 95 0.97
B6 K049701 1–3 500 99 0.99
K049702 1–3 500 98 0.98
K049703 1–3 500 93 0.93
K049704 1–3 500 96 0.95
K049705 1–4 400 88 0.91
K049706 1–3 400 83 0.89
K049707 1–5 400 82 0.93
K049708 1–2 500 96 0.92
B7 K104501 1–3 600 91 0.84
K104601 1–3 600 70 0.52
K105001 1–3 600 90 0.88
K105501 1–3 500 93 0.83
K105601 1–2 600 96 0.89
K106101 1–3 600 93 0.60
B8 K041306 1–3 700 83 0.85
K041307 1–3 700 82 0.84
K041401 1–3 700 90 0.84
K041402 1–3 600 93 0.89
K041403 1–3 600 86 0.79
K041404 1–3 700 92 0.93
K041406 1–3 600 92 0.81
B10 K090301 1–3 400 88 0.86
K090501 1–3 400 98 0.96
K092101 1–3 300 84 0.76
K092701 1–3 400 92 0.91
K094601 1–3 400 92 0.72
K098601 1–3 500 88 0.78
B12 K047201 1–4 500 86 0.91
K047301 1–3 400 84 0.85
K047401 1–3 400 92 0.94
K047901 1–3 400 89 0.90
K048001 1–3 400 97 0.92
B13 K048601 1–3 400 87 0.85
K048901 1–3 400 96 0.97
K049001 1–3 400 97 0.89
K049301 1–3 400 98 0.91
K049401 1–3 400 89 0.86
K049402 1–3 400 82 0.85
K049403 1–3 400 80 0.70
K049404 1–4 400 72 0.71
B14 K052901 1–4 400 96 0.96
K053001 1–3 400 87 0.78
K053601 1–5 400 97 0.97
K053701 1–3 400 96 0.94
K053801 1–3 400 89 0.91
K053901 1–3 400 95 0.89
B20 K092001 1–3 400 87 0.88
K096501 1–3 300 94 0.75
K100001 1–2 400 99 0.97
K100101 1–3 400 88 0.86
K100201 1–3 400 79 0.73
K100301 1–3 400 91 0.78
B21 K059001 1–3 500 89 0.87
K059101 1–3 400 94 0.90
K059201 1–4 400 90 0.92
K059801 1–3 400 88 0.82
K059901 1–4 400 89 0.90
K060001 1–3 400 83 0.85
K060101 1–4 400 77 0.68
S9 K097901 1–3 500 80 0.75
K098501 1–3 600 87 0.89
K101801 1–3 600 81 0.80
K102001 1–4 600 73 0.77
K102301 1–3 700 95 0.94
S15 K075401 1–4 500 93 0.92
K075501 1–3 300 94 0.93
K075601 1–3 400 87 0.85
K075701 1–3 400 94 0.90
K075801 1–3 400 93 0.84
K075901 1–3 300 99 0.98
S16 K072201 1–4 400 79 0.85
K072601 1–4 500 97 0.98
S17 K073501 1–4 400 80 0.83
K073801 1–3 500 93 0.90
S18 K074301 1–4 500 90 0.85
K074501 1–3 400 99 0.99
K074601 1–3 400 92 0.93
K074801 1–4 400 78 0.87
† 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), 2005 Science Assessment.

Last updated 06 April 2009 (GF)

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