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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 8 Mathematics Assessment: 2000
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 8 mathematics assessment: 2000
Block Item Range of response codes Sample size Percentage exact agreement Cohen's Kappa Intraclass correlation
M3 M093501 1–3 1,600 96 0.97
M093601 1–3 1,600 99 0.99
M093801 1–5 1,600 97 0.99
M5 M066301 1–3 1,600 98 0.97
M066501 1–3 1,600 97 0.98
M066601 1–3 1,600 98 0.99
M067201 1–3 1,700 93 0.96
M067501 1–5 1,700 94 0.93
M6 M019701 1–2 1,600 100 0.99
M019801 1–3 1,600 99 0.98
M019901 1–3 1,600 100 1.00
M020001 1–2 1,600 100 1.00
M020101 1–2 1,600 98 0.95
M020201 1–2 1,600 99 0.95
M020301 1–4 1,700 100 0.99
M020401 1–2 1,600 99 0.99
M020501 1–2 1,600 99 0.99
M020801 1–6 1,600 98 0.99
M020901 1–2 1,600 95 0.92
M021001 1–2 1,600 100 0.99
M021101 1–3 1,600 97 0.98
M021201 1–3 1,600 98 0.97
M021301 1–2 1,600 98 0.96
M021302 1–2 1,600 98 0.96
M7 M067901 1–3 1,600 99 0.99
M068003 1–3 1,600 99 0.99
M068005 1–3 1,600 99 0.99
M068006 1–3 1,600 96 0.97
M068008 1–3 1,600 97 0.97
M068201 1–5 1,600 96 0.98
M8 M013031 1–4 1,600 99 0.99
M013131 1–2 1,700 98 0.97
M9 M052401 1–2 1,600 96 0.93
M053001 1–2 1,700 97 0.94
M053101 1–5 1,600 94 0.97
M10 M085701 1–3 1,700 99 0.99
M085901 1–3 1,700 99 0.99
M086301 1–5 1,700 95 0.98
M11 M046001 1–5 1,700 100 0.99
M046601 1–4 1,600 98 0.98
M046801 1–5 1,700 99 0.99
M046901 1–5 1,700 99 1.00
M047301 1–4 1,700 99 0.98
M047901 1–3 1,700 99 0.99
M12 M092001 1–5 1,600 94 0.98
M092401 1–3 1,600 97 0.96
M092601 1–3 1,600 99 0.99
M13 M051201 1–2 1,700 99 0.97
M051301 1–2 1,700 99 0.96
M051601 1–2 1,700 99 0.97
M052101 1–3 1,700 100 1.00
M052201 1–5 1,700 93 0.96
M14 M072901 1–3 1,700 95 0.96
M073401 1–3 1,700 97 0.97
M073501 1–3 1,700 97 0.97
M073601 1–5 1,700 96 0.99
M15 M075301 1–3 1,600 98 0.98
M075401 1–3 1,600 98 0.98
M075601 1–3 1,600 97 0.99
M075801 1–3 1,600 93 0.96
M076001 1–5 1,700 94 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), 2000 Mathematics Assessment.

Last updated 15 July 2008 (KL)

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