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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 Mathematics 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 mathematics national main assessment: 2005
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa Intraclass correlation
M3 M056801 1–2 400 98 0.96
M076601 1–3 300 97 0.98
M095001 1–3 400 93 0.95
M095301 1–3 400 94 0.95
M095401 1–4 300 96 0.97
M4 M057001 1–2 400 100 1.00
M058901 1–3 400 97 0.96
M071502 1–3 400 97 0.97
M071602 1–3 400 88 0.86
M071603 1–3 400 91 0.91
M071604 1–3 400 94 0.95
M071801 1–5 400 94 0.97
M5 M021401 1–2 400 100 1.00
M021501 1–2 400 98 0.96
M021502 1–2 500 100 0.99
M071701 1–3 300 96 0.95
M094201 1–4 500 93 0.97
M094301 1–3 400 94 0.94
M094701 1–5 400 85 0.93
M6 M021801 1–2 400 98 0.95
M071001 1–3 400 93 0.93
M132201 1–4 300 97 0.99
M7 M073801 1–3 400 97 0.98
M073901 1–3 400 97 0.98
M074101 1–5 400 91 0.97
M076101 1–3 500 97 0.96
M076901 1–3 400 98 0.95
M8 M020901 1–2 400 93 0.82
M021001 1–2 400 99 0.98
M021601 1–4 400 97 0.92
M021602 1–2 300 100 0.98
M071201 1–3 400 97 0.97
M071301 1–3 300 98 0.97
M071401 1–5 300 99 0.99
M076701 1–3 300 97 0.96
M092401 1–3 500 98 0.98
M092601 1–3 400 96 0.98
M9 M011931 1–2 300 99 0.94
M012031 1–3 400 98 0.98
M013131 1–2 500 98 0.97
M052401 1–2 500 92 0.83
M057101 1–2 300 100 0.97
M071101 1–3 400 98 0.98
M074001 1–3 400 95 0.95
M076801 1–3 300 96 0.94
M092301 1–3 400 94 0.95
M092901 1–5 200 94 0.97
M10 M021701 1–2 400 99 0.97
M021702 1–2 400 97 0.93
M053301 1–2 400 98 0.90
M053401 1–5 400 92 0.97
M059702 1–3 400 91 0.93
M059801 1–2 300 99 0.91
M070801 1–3 400 94 0.96
M11 M126001 1–2 400 100 0.99
M129001 1–5 400 90 0.95
M131201 1–2 400 98 0.93
M12 M133801 1–4 400 98 0.99
M134601 1–2 400 99 0.96
M135501 1–5 400 90 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), 2005 Mathematics Assessment.

Last updated 27 October 2009 (GF)

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