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NAEP Analysis and Scaling → Initial Activities → Summaries of Item-Level Response Rates for NAEP Assessments → Summary Item Response Rates, Mathematics Long-Term Trend National Assessment, by Item Type and Age: 2020
NAEP Technical DocumentationSummary Item Response Rates, Mathematics Long-Term Trend National Assessment, by Item Type and Age: 2020
| Statistic | Multiple-choice items | Dichotomous constructed-response items | Polytomous constructed-response items |
|---|---|---|---|
| Not applicable. | |||
| Rounds to zero. | |||
| Missing responses include the categories "omitted" and "not-reached." | |||
| An "off-task" response (constructed-response items only) is a response that is unrelated to the question. | |||
| In 2020, age 17 was not assessed. | |||
| U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2020 Mathematics Long-Term Trend Assessment. | |||
| Age 9 | |||
| Number of items | 99 | 36 | 0 |
| Average percent missing | 10.10 | 10.35 | |
| Minimum | 1.70 | 1.24 | |
| Maximum | 29.14 | 32.49 | |
| Average percent off-task | 0.10 | ||
| Minimum | |||
| Maximum | 0.47 | ||
| Average weighted percent correct | 65.00 | 64.37 | |
| Age 13 | |||
| Number of items | 117 | 35 | 0 |
| Average percent missing | 6.80 | 5.85 | |
| Minimum | 1.10 | 0.45 | |
| Maximum | 33.52 | 33.61 | |
| Average percent off-task | 0.13 | ||
| Minimum | |||
| Maximum | 0.66 | ||
| Average weighted percent correct | 65.92 | 69.69 | |
Last updated 08 May 2024 (SK)