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NAEP Analysis and Scaling → Initial Activities → Summaries of Response Rates for NAEP Assessments → Summary Response Rates for the NAEP 2000 Mathematics National Main Assessment (Accommodations Not Permitted [R2])

Summary Response Rates for the NAEP 2000 Mathematics Assessment (Accommodations Not Permitted [R2])

The tables below provide relevant summary statistics for the 2000 mathematics assessment (accommodations not permitted [R2]): 2000.

Number of items, by item type and grade, mathematics assessment(accommodations not permitted [R2]): 2000
Grade Multiple-choice items Dichotomous constructed-response items Polytomous constructed-response items
4 85 27 33
8 106 31 31
12 104 30 34
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment.

Average percentage missing, by item type and grade, mathematics assessment (accommodations not permitted [R2]): 2000
Grade Statistic Multiple-choice items Dichotomous constructed-response items Polytomous constructed-response items
4 Average percentage missing 3.72 6.99 12.21
Minimum 0.55 1.56 7.22
Maximum 17.35 19.25 48.14
8 Average percentage missing 4.61 6.34 12.12
Minimum 0.58 1.48 2.79
Maximum 30.27 17.27 37.95
12 Average percentage missing 4.87 15.13 19.07
Minimum 0.88 1.45 2.79
Maximum 42.57 48.32 53.28
NOTE: Missing responses includes the categories "omitted" and "not-reached".
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment.

Average percentage off-task, by item type and grade, mathematics assessment (accommodations not permitted [R2]): 2000
Grade Statistic Dichotomous constructed-response items Polytomous constructed-response items
4 Average percentage off-task 0.24 0.18
Minimum 0.00 0.00
Maximum 2.18 1.00
8 Average percentage off-task 0.49 0.21
Minimum 0.00 0.00
Maximum 0.95 0.82
12 Average percentage off-task 0.84 0.83
Minimum 0.00 0.12
Maximum 7.09 2.41
NOTE: An "off-task" response (constructed-response items only) is a response that is unrelated to the question and is considered inappropriate.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment.

Average weighted percentage correct, by item type and grade, mathematics assessment (accommodations not permitted [R2]): 2000
Grade Multiple-choice items Dichotomous constructed-response items Polytomous constructed-response items
4 56.42 47.27 39.28
8 57.02 58.86 39.45
12 56.74 40.49 31.79
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment.

Last updated 11 July 2008 (KL)

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