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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 8 U.S. History Assessment, by Item and Block: 2006
Range of response codes, percent exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items used in scaling, grade 8 U.S. history assessment, by item and block: 2006
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa Intraclass correlation
H3 H035801 1–3 500 92.00 0.80
H035901 1–3 600 92.00 0.90
H035902 1–3 500 86.00 0.82
H036101 1–3 500 90.00 0.91
H036402 1–4 500 78.00 0.82
H4 H059001 1–3 500 88.00 0.90
H059201 1–3 500 76.00 0.79
H059701 1–3 500 92.00 0.92
H059801 1–3 500 87.00 0.90
H060201 1–3 500 83.00 0.85
H5 H038103 1–4 400 83.00 0.71
H038301 1–3 500 93.00 0.93
H038601 1–3 500 88.00 0.76
H038702 1–3 500 88.00 0.82
H039001 1–3 500 95.00 0.93
H6 H069001 1–3 500 74.00 0.76
H069401 1–3 500 92.00 0.92
H069601 1–3 500 89.00 0.84
H069801 1–4 500 87.00 0.90
H070001 1–2 500 96.00 0.91
H7 H057501 1–3 600 97.00 0.95
H057701 1–3 500 87.00 0.81
H057801 1–3 500 83.00 0.83
H058601 1–3 500 85.00 0.82
H058701 1–3 500 93.00 0.92
H8 H034101 1–4 600 88.00 0.81
H034401 1–3 500 96.00 0.95
H034501 1–2 600 99.00 0.97
H034702 1–3 500 94.00 0.91
H035001 1–3 500 82.00 0.84
H035101 1–3 500 92.00 0.91
H9 H060701 1–3 500 92.00 0.91
H061501 1–3 600 92.00 0.91
H061601 1–3 500 91.00 0.86
H061801 1–3 500 96.00 0.93
H10 H042201 1–3 500 95.00 0.85
H042801 1–4 500 89.00 0.86
H042902 1–3 500 92.00 0.93
H043001 1–3 500 89.00 0.82
H043101 1–3 500 94.00 0.93
H11 H070401 1–3 500 82.00 0.81
H070701 1–4 500 95.00 0.96
H070801 1–3 500 88.00 0.83
H071001 1–4 600 84.00 0.81
H071601 1–3 500 81.00 0.79
H12 H071901 1–3 500 89.00 0.91
H072601 1–3 500 92.00 0.82
H072701 1–4 500 95.00 0.97
H073001 1–3 500 87.00 0.90
H073101 1–3 500 81.00 0.83
† 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), 2006 U.S. History Assessment.

Last updated 19 November 2009 (GF)

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