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NAEP Analysis and Scaling → Initial Activities → Summaries of Response Rates for NAEP Assessments → Summary Response Rates by Item Type, Grade 4 Reading National Main Assessment (Accommodations Not Permitted [R2]): 2000
Summary response rates by item type, grade 4 reading national main assessment (accommodations not permitted [R2]): 2000
Statistics Multiple-choice items Dichotomous constructed-response items Polytomous constructed-response items
Number of items 35 25 21
Average percentage missing1 9.16 11.68 16.38
Minimum percentage missing1 1.12 2.13 2.50
Maximum percentage missing1 24.70 35.63 29.93
Average percentage off-task2 0.11 0.08
Minimum percentage off-task2 0 0
Maximum percentage off-task2 0.63 0.25
Average weighted proportion correct 65.03 51.41 43.03
† Not applicable.
1 Missing includes the categories "omitted" and "not-reached."
2 "Off-task" (constructed-response items only) is a response that is unrelated to the question and considered inappropriate.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Reading Assessment.

Last updated 11 July 2008 (KL)

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National Center for Education Statistics - http://nces.ed.gov
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