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Block | Item | Score range | Sample size | Percentage of exact agreement |
---|---|---|---|---|
R1 | R068904 | 1-2 | 1,900 | 92 |
R068907 | 1-4 | 1,600 | 76 | |
R068910 | 1-3 | 1,600 | 76 | |
R2 | R057806 | 1-4 | 1,600 | 81 |
R057807 | 1-3 | 1,900 | 93 | |
R057809 | 1-3 | 1,600 | 86 | |
R4 | R070204 | 1-3 | 1,900 | 87 |
R070206 | 1-4 | 1,600 | 82 | |
R070210 | 1-3 | 1,600 | 81 | |
R6 | R058602 | 1-3 | 1,800 | 76 |
R058606 | 1-3 | 1,700 | 89 | |
R058608 | 1-4 | 1,600 | 80 | |
R7 | R058805 | 1-3 | 1,600 | 85 |
R058807 | 1-4 | 1,600 | 74 | |
R058810 | 1-3 | 1,600 | 78 | |
R9 | R058302 | 1-2 | 1,900 | 95 |
R058304 | 1-3 | 1,700 | 92 | |
R058307 | 1-4 | 1,600 | 81 | |
R10 | R069305 | 1-2 | 1,600 | 91 |
R069308 | 1-4 | 1,600 | 74 | |
NOTE: Special codes assigned to student responses including blank,
off-task, and not-scorable were included in the calculation of the
percentage of exact agreement measure. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Reading Assessment. |
Block | Item | Score range | Sample size | Cohen’s Kappa | Intraclass correlation |
---|---|---|---|---|---|
R1 | R068904 | 1-2 | 1,700 | .82 | † |
R068907 | 1-4 | 1,400 | .62 | .78 | |
R068910 | 1-3 | 1,400 | .59 | .76 | |
R2 | R057806 | 1-4 | 1,400 | .68 | .81 |
R057807 | 1-3 | 1,700 | .76 | .76 | |
R057809 | 1-3 | 1,400 | .71 | .76 | |
R4 | R070204 | 1-3 | 1,700 | .74 | .80 |
R070206 | 1-4 | 1,400 | .69 | .87 | |
R070210 | 1-3 | 1,400 | .66 | .76 | |
R6 | R058602 | 1-3 | 1,600 | .60 | .72 |
R058606 | 1-3 | 1,500 | .80 | .81 | |
R058608 | 1-4 | 1,400 | .67 | .84 | |
R7 | R058805 | 1-3 | 1,400 | .74 | .83 |
R058807 | 1-4 | 1,400 | .61 | .81 | |
R058810 | 1-3 | 1,400 | .61 | .74 | |
R9 | R058302 | 1-2 | 1,700 | .92 | † |
R058304 | 1-3 | 1,500 | .88 | .93 | |
R058307 | 1-4 | 1,400 | .71 | .90 | |
R10 | R069305 | 1-2 | 1,400 | .79 | † |
R069308 | 1-4 | 1,400 | .59 | .80 | |
† Not applicable. The intraclass correlation is not reported for dichotomously scored items. NOTE: The intraclass correlation is most appropriate for items with more than two categories. Cohen's Kappa is a measure of reliability that is appropriate for both dichotomously and polytomously scored items. Special codes assigned to student responses including blank, off-task, and not-scorable were not included in the calculation of Cohen's Kappa or intraclass correlation. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Reading Assessment. |