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The table below contains links to Item Response Theory (IRT) parameters for NAEP reading items that were scaled, as well as the block in which each item appeared for each grade (Block) and the position of each item within its block (Item). Note that these item parameters are provided in the metrics used for the original calibration of the scales.
| Year | Assessment | Reading for literary experience scale | Reading to gain information scale | Reading to perform a task scale |
|---|---|---|---|---|
| 2007 | Combined national and state main assessment grade 4 | R3 | R3 | † |
| Combined national and state main assessment grade 8 | R3 | R3 | R3 | |
| 2005 | Combined national and state main assessment grade 4 | R3 | R3 | † |
| Combined national and state main assessment grade 8 | R3 | R3 | R3 | |
| National main assessment grade 12 | R3 | R3 | R3 | |
| 2003 | Combined national and state main assessment grade 4 | R3 | R3 | † |
| Combined national and state main assessment grade 8 | R3 | R3 | R3 | |
| 2002 | Combined national and state main assessment grade 4 | R3 | R3 | † |
| Combined national and state main assessment grade 8 | R3 | R3 | R3 | |
| National main assessment grade 12 | R3 | R3 | R3 | |
| 2000 | National main assessment grade 4 | R3 / R2 | R3 / R2 | † |
| † Not applicable. NOTE: R2 refers to accommodations not offered; R3 refers to accommodations offered to students with disabilities (SD) and English language learners (ELL) participating in the NAEP assessment. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000-2007 Reading Assessments. |
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The table below contains links to Item Response Theory (IRT) parameters for NAEP reading long-term trend items that were scaled, as well as the block in which each item appears for each age group and the position of each item within its block. Note that these item parameters are provided in the metrics used for the original univariate scale.
| Year | Assessment | Age 9 | Age 13 | Age 17 |
|---|---|---|---|---|
| 2004 | Reading long-term trend assessment | R3 | R3 | R3 |
| Reading long-term trend bridge study assessment | R3 | R3 | R3 | |
| NOTE: R3 refers to accommodations offered to students with disabilities (SD) and English language learners (ELL) participating in the NAEP assessment. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004 Reading Assessments. |
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