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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, Age 9 Mathematics Long-Term Trend Bridge Study: 2004
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, age 9 mathematics long-term trend bridge study: 2004
Block Item Range of response codes Sample size Percent exact agreement Cohen's Kappa
M1 N270001 1–2 600 99 0.98
N270901 1–2 600 99 0.90
N276101 1–2 600 99 0.98
N276801 1–2 700 100 0.92
N276802 1–2 600 99 0.96
N276803 1–2 600 99 0.97
N284001 1–2 600 99 0.96
N284002 1–2 500 99 0.97
N286101 1–2 600 99 0.97
M2 N271101 1–2 600 99 0.96
N275401 1–2 600 99 0.97
N276001 1–2 600 99 0.96
N276002 1–2 500 100 0.99
N277501 1–2 600 99 0.98
N277601 1–2 600 100 0.99
N277602 1–2 600 99 0.98
N277603 1–2 600 99 0.99
N286102 1–2 500 98 0.96
M21 N292101 1–2 1,200 100 0.99
N292401 1–2 1,200 100 0.99
N293001 1–2 1,200 100 0.99
N293301 1–2 1,200 100 0.99
N293501 1–2 1,200 100 0.99
M22 N294201 1–2 600 99 0.89
N294301 1–2 600 100 1.00
N295301 1–2 600 100 0.99
N295401 1–2 600 99 0.99
N295701 1–2 400 100 1.00
NOTE: Cohen's Kappa is a measure of reliability that is appropriate for items that are dichotomously scored.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004 Mathematics Long-Term Trend Assessment.

Last updated 06 April 2009 (GF)

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