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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 From Previous Years Rescored in 2006, Grade 4 U.S. History Assessment, by Item and Block: 2006
Range of response codes, percent agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from previous years rescored in 2006, grade 4 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
H4 H054301 1–3 700 82.78 0.85
H054601 1–3 700 88.27 0.85
H054801 1–3 700 88.92 0.88
H054901 1–3 700 88.03 0.89
H055301 1–3 700 86.68 0.85
H5 H055901 1–3 800 89.75 0.90
H056101 1–3 800 89.24 0.90
H056401 1–3 800 93.62 0.92
H056601 1–3 700 87.92 0.86
H056801 1–3 800 96.82 0.95
H7 H057501 1–3 800 96.11 0.94
H057701 1–3 800 82.91 0.79
H057801 1–3 700 82.93 0.76
H058601 1–3 800 82.13 0.82
H058701 1–3 800 83.93 0.82
H8 H034101 1–4 700 93.25 0.80
H034401 1–3 700 90.95 0.90
H034501 1–2 700 99.86 0.99
H034702 1–3 700 98.49 0.93
H035001 1–3 700 85.04 0.84
H035101 1–3 700 71.62 0.75
† 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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