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 2012, Age 17 Reading Long-Term Trend Assessment, by Item and Block: 2012

NAEP Technical DocumentationScore range, percent agreement for the constructed-response items from the previous year assessed that were rescored in 2012, age 17 reading long-term trend assessment, by block and item: 2012

Block	Item	Range of response codes	Sample size	Percent exact agreement
NOTE: Special codes assigned to student responses including blank, off-task, and not-scorable were included in the calculation of the percent exact agreement measure. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2012 Reading Long-Term Trend Assessment.
RA	N021203	1-5	600	69
RC	N021803	1-4	600	90
RD	N022103	1-4	600	74
RE	N022405	1-4	600	84
RB	N023802	1-4	600	79
RF	N025704	1-4	600	90
RI	N029002	1-4	600	76

Score range and Cohen's Kappa or intraclass correlation for the constructed-response items from the previous year assessed that were rescored in 2012,  age 17 reading long-term trend assessment, by block and item: 2012

Block	Item	Range of response codes	Sample size	Cohen’s Kappa	Intraclass correlation
NOTE: The discrepancy in sample sizes compared to the first table is due to the fact that percent agreement is calculated from the entire sample size, while Cohen's Kappa and intraclass correlation statistics exclude those who omit the item. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2012 Reading Long-Term Trend Assessment.
RA	N021203	1-5	600	0.56	0.84
RC	N021803	1-4	600	0.86	0.93
RD	N022103	1-4	600	0.53	0.71
RE	N022405	1-4	600	0.69	0.76
RB	N023802	1-4	600	0.63	0.69
RF	N025704	1-4	500	0.85	0.94
RI	N029002	1-4	500	0.60	0.78

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