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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 1996 That Were Rescored in 2000, by Block and Item, Grade 8 Mathematics Assessment: 2000
NAEP Technical DocumentationRange of response codes, percentage exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from 1996 that were rescored in 2000, 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
M5 M066301 1–3 600 98 0.95
M066501 1–3 600 93 0.93
M066601 1–3 600 96 0.97
M067201 1–3 600 86 0.83
M067501 1–5 300 79 0.63
M6 M019701 1–2 600 98 0.92
M019801 1–3 700 97 0.94
M019901 1–3 700 98 0.94
M020001 1–2 600 99 0.98
M020101 1–2 600 100 1.00
M020201 1–2 600 88 0.54
M020301 1–4 600 99 0.99
M020401 1–2 600 100 1.00
M020501 1–2 600 99 0.98
M020801 1–6 600 96 0.99
M020901 1–2 600 40 0.26
M021001 1–2 600 100 0.99
M021101 1–3 700 91 0.92
M021201 1–3 600 98 0.97
M021301 1–2 600 97 0.94
M021302 1–2 600 95 0.89
M7 M067901 1–3 600 99 0.99
M068003 1–3 600 100 0.99
M068005 1–3 600 98 0.96
M068006 1–3 300 91 0.95
M068008 1–3 600 93 0.89
M068201 1–5 600 88 0.89
M8 M013031 1–4 600 100 1.00
M013131 1–2 600 98 0.96
M9 M052401 1–2 600 92 0.82
M053001 1–2 600 93 0.82
M053101 1–4 600 30 0.00
M053101 1–4 400 81 0.85
M11 M046001 1–5 600 100 0.99
M046601 1–4 600 93 0.91
M046801 1–5 600 100 1.00
M046901 1–5 600 99 1.00
M047301 1–4 600 99 0.95
M047901 1–3 600 100 1.00
M13 M051201 1–2 600 99 0.97
M051301 1–2 600 100 0.98
M051601 1–2 600 99 0.98
M052101 1–3 600 96 0.88
M052201 1–4 500 87 0.92
M14 M072901 1–3 600 92 0.94
M073401 1–3 600 97 0.95
M073501 1–3 600 98 0.97
M073601 1–5 400 85 0.94
M15 M075301 1–3 600 97 0.95
M075401 1–3 600 92 0.91
M075601 1–3 600 90 0.93
M075801 1–3 600 79 0.81
M076001 1–5 500 85 0.88
† 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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