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NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percent Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items Used in Scaling, Grade 4 Reading Combined National and State Main Assessment, by Item and Block: 2007

NAEP Technical DocumentationRange of response codes, percent agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items used in scaling, grade 4 reading combined national and state main assessment, by item and block: 2007
Block Item Range of response codes Sample size Percent agreement Cohen’s Kappa Intraclass correlation
— Not available. 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), 2007 Reading Assessment.
R3 R053901 1–3 1,900 86.60 — 0.83
R054001 1–3 1,800 84.36 — 0.76
R054201 1–4 1,800 76.79 — 0.85
R054301 1–3 1,600 87.35 — 0.81
R4 R052904 1–3 1,800 89.35 — 0.90
R052906 1–2 1,800 90.92 0.81 —
R052907 1–4 1,700 78.74 — 0.82
R052909 1–2 1,600 94.95 0.87 —
R5 R012601 1–2 1,800 92.60 0.83 —
R012604 1–2 1,800 95.78 0.87 —
R012607 1–4 1,600 86.29 — 0.84
R012612 1–2 1,400 95.49 0.91 —
R6 R017301 1–2 1,900 95.24 0.86 —
R017303 1–3 1,800 92.48 — 0.93
R017307 1–4 1,600 86.87 — 0.87
R017309 1–3 1,400 85.76 — 0.86
R017310 1–3 1,700 96.52 — 0.97
R7 R034601 1–3 1,800 91.27 — 0.91
R034901 1–3 1,700 91.85 — 0.91
R035001 1–3 1,700 89.16 — 0.91
R035201 1–3 1,600 95.03 — 0.95
R035301 1–4 1,600 84.68 — 0.90
R8 R054801 1–3 1,800 97.60 — 0.98
R055101 1–4 1,700 91.30 — 0.96
R055301 1–3 1,600 86.88 — 0.85
R055401 1–3 1,500 94.19 — 0.93
R9 R053003 1–2 1,900 97.62 0.94 —
R053004 1–3 1,900 96.16 — 0.96
R053006 1–4 1,800 86.30 — 0.94
R053009 1–2 1,700 92.00 0.77 —
R053010 1–3 1,600 89.96 — 0.88
R10 R053101 1–2 1,900 92.19 0.75 —
R053105 1–3 1,800 86.99 — 0.87
R053106 1–4 1,700 85.69 — 0.93
R053108 1–3 1,500 91.25 — 0.89
R11 R020401 1–3 1,900 95.52 — 0.94
R020701 1–2 1,800 94.62 0.85 —
R021201 1–3 1,700 89.63 — 0.88
R021701 1–3 1,800 86.51 — 0.85
R12 R023201 1–2 1,600 96.12 0.92 —
R023501 1–3 1,800 90.21 — 0.92
R023601 1–3 1,800 91.80 — 0.91
R024001 1–3 1,700 88.95 — 0.89

Last updated 02 March 2010 (JL)

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