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NAEP Analysis and Scaling → Initial Activities → Summaries of Item-Level Response Rates for NAEP Assessments → Summary Item Response Rates, Reading Combined National and State Assessment, by Item Type and Grade: 2019

​​NAEP Technical DocumentationSummary Item Response Rates, Reading Combined National and State Assessment, by Item Type and Grade: 2019

Summary item response rates, reading combined national and state assessment, by item type and grade: 2019
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.
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2019 Reading Assessment.
Grade 4
Number of items 74 9 35
Average percent missing 4.69 9.58 10.97
Minimum 0.29 0.84 1.21
Maximum 24.96 23.52 36.32
Average percent off-task 0.42 0.72
Minimum
Maximum 0.67 1.40
Average weighted percent correct 59.84 47.24 36.58
Grade 8
Number of items 80 13 56
Average percent missing 1.64 2.57 6.56
Minimum 0.25 0.46 0.60
Maximum 9.99 7.85 24.15
Average percent off-task 0.35 0.72
Minimum
Maximum 0.82 1.76
Average weighted percent correct 70.19 57.26 50.25
​

Summary item response rates, reading DBA national assessment, by item type and grade: 2019
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.
DBA = Digitally based assessment.
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2019 Reading Assessment.
Grade 12
Number of items 83 12 53
Average percent missing 1.02 3.35 6.58
Minimum 0.09 0.67 0.43
Maximum 11.08 6.54 23.93
Average percent off-task 1.05 1.25
Minimum
Maximum 2.13 2.38
Average weighted percent correct 66.55 52.95 49.55
​

Summary item response rates, reading PBA national assessment, by item type and grade: 2019
StatisticMultiple-choice itemsDichotomous constructed-response itemsPolytomous constructed-response items
Not applicable.
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.
PBA = Paper-based assessment.
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2019 Reading Assessment.
Grade 12
Number of items791043
Average percent missing1.975.518.72
Minimum0.471.662.12
Maximum6.9511.3416.30
Average percent off-task0.670.79
Minimum0.310.35
Maximum1.202.29
Average weighted percent correct70.1156.1150.08
​
Last updated 05 October 2023 (SK)