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Grade | Statistic | Multiple-choice items | Dichotomous constructed-response items | Polytomous constructed-response items |
---|---|---|---|---|
8 | Number of items | 118 | 1 | 47 |
Average percent missing1 | 2.69 | 12.86 | 8.76 | |
Minimum | 0.22 | 12.86 | 0.59 | |
Maximum | 13.73 | 12.86 | 21.85 | |
Average percent off-task2 | † | 0.46 | 0.66 | |
Minimum | † | 0.46 | # | |
Maximum | † | 0.46 | 1.66 | |
Average weighted percent correct | 52.94 | 36.47 | 33.26 | |
† 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: In 2014, 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), 2014 U.S. History Assessment. |