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NAEP Scoring → Scoring Monitoring → Within-Year Interrater Agreement → Science Interrater Agreement → Interrater Agreement Ranges, Grades 4, 8, and 12 Science Assessment, By Number of Items: 2005

NAEP Technical DocumentationInterrater agreement ranges, grades 4, 8, and 12 science assessment, by number of items: 2005

Assessment	Number of distinct Items	Number of items with an agreement range of  70%–79%	Number of items with an agreement range of 80%–89%	Number of items with agreement at 90% or above
NOTE:The number of distinct items for Science includes discrete grade-specific instances of cross-grade items, Science Bridge items, Spanish items, and bilingual items. No items showed a reliability rate below 70 percent. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 Science Assessment.
Science – Operational & Bridge (includes Spanish and Bilingual)	681	26	238	417

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