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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 4 Mathematics Combined National and State Main Assessment: 2005
NAEP Technical DocumentationRange 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 4 mathematics combined national and state main assessment: 2005
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa Intraclass correlation
M3 M019901 1–3 1,600 98 0.97
M020101 1–2 1,500 99 0.98
M043501 1–5 1,400 98 0.99
M047301 1–4 1,600 98 0.95
M074301 1–2 1,600 99 0.98
M074501 1–3 1,600 92 0.94
M074801 1–3 1,600 98 0.98
M074901 1–3 1,600 96 0.97
M075001 1–3 1,600 99 0.98
N277903 1–2 1,600 100 0.98
M4 M046001 1–5 1,700 100 1.00
M046601 1–4 1,700 95 0.95
M046801 1–5 1,700 99 0.98
M046901 1–5 1,700 99 1.00
M066601 1–3 1,700 93 0.94
M068001 1–3 1,700 99 0.99
M068002 1–3 1,600 98 0.98
M068003 1–3 1,400 99 0.99
M068004 1–5 1,300 88 0.95
M5 M019701 1–2 1,500 99 0.98
M020001 1–2 1,500 99 0.98
M066301 1–3 1,200 96 0.94
M066501 1–3 1,300 98 0.99
M067901 1–3 1,100 97 0.98
M085401 1–5 1,600 91 0.94
M085701 1–3 1,500 96 0.96
M085901 1–3 1,600 94 0.94
M6 M136501 1–2 1,800 99 0.98
M136601 1–3 1,800 94 0.96
M136901 1–4 1,800 97 0.99
M7 M139301 1–2 1,800 99 0.97
M139601 1–3 1,700 98 0.98
M139801 1–4 1,700 92 0.96
M140001 1–3 1,600 96 0.95
M140301 1–5 1,300 94 0.97
M8 M010631 1–3 1,700 98 0.98
M040001 1–3 1,600 98 0.98
M072401 1–3 1,200 96 0.97
M087001 1–3 1,700 98 0.99
M087301 1–5 1000 92 0.94
M091201 1–3 1,400 95 0.97
M9 M040201 1–2 1,600 95 0.83
M043201 1–2 1,700 99 0.97
M043301 1–3 1,600 99 0.99
M043401 1–4 1,700 96 0.98
M043402 1–4 1,700 98 0.99
M043403 1–3 1,600 99 0.98
M066701 1–3 1,700 97 0.97
M066801 1–3 1,700 97 0.96
M086601 1–3 1,700 98 0.96
M091401 1–5 1,500 91 0.96
M10 M137501 1–2 1,900 100 0.99
M138201 1–2 1,900 96 0.91
M138401 1–4 1,800 87 0.95
M138701 1–5 1,700 92 0.98
M11 M096001 1–2 1,600 97 0.94
M097201 1–3 1,600 97 0.98
M097401 1–3 1,600 99 0.98
M12 M100201 1–2 1,700 100 1.00
M100501 1–2 1,700 99 0.99
M101401 1–2 1,700 99 0.97
M101501 1–3 1,700 98 0.98
† 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 06 April 2009 (GF)

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