Table of Contents | Search Technical Documentation | References
NAEP Analysis and Scaling → Initial Activities → Summaries of Item-Level Response Rates for NAEP Assessments → Summary Item Response Rates, U.S. History National Assessment, by Item Type and Grade: 2018
NAEP Technical DocumentationSummary Item Response Rates, U.S. History National Assessment, by Item Type and Grade: 2018
| Grade | Statistic | Multiple-choice items | Dichotomous constructed-response items | Polytomous constructed-response items |
|---|---|---|---|---|
| 8 | Number of items | 136 | 2 | 58 |
| Average percent missing1 | 3.82 | 11.88 | 8.73 | |
| Minimum | 0.18 | 3.66 | 0.29 | |
| Maximum | 23.88 | 20.09 | 25.36 | |
| Average percent off-task2 | † | 1.60 | 1.48 | |
| Minimum | † | 1.35 | # | |
| Maximum | † | 1.86 | 5.98 | |
| Average weighted percent correct | 53.63 | 27.74 | 35.80 | |
|
† Not applicable. # Rounds to zero. 1 Missing responses include the categories "omitted" and "not-reached". 2 An "off-task" response (constructed-response items only) is a response that is unrelated to the question. NOTE: DBA = Digitally based assessment. In 2018, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 U.S. History Assessment. | ||||
| Grade | Statistic | Multiple-choice items | Dichotomous constructed-response items | Polytomous constructed-response items |
|---|---|---|---|---|
| 8 | Number of items | 118 | 1 | 47 |
| Average percent missing1 | 4.41 | 22.42 | 13.98 | |
| Minimum | 0.58 | 22.42 | 1.22 | |
| Maximum | 15.60 | 22.42 | 32.13 | |
| Average percent off-task2 | † | 1.18 | 1.16 | |
| Minimum | † | 1.18 | 0.03 | |
| Maximum | † | 1.18 | 2.73 | |
| Average weighted percent correct | 51.46 | 33.22 | 30.19 | |
| † Not applicable. 1 Missing responses include the categories "omitted" and "not-reached." 2 An "off-task" response (constructed-response items only) is a response that is unrelated to the question. NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 U.S. History Assessment. | ||||
Last updated 01 February 2023 (ML)