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Unformatted text preview: d 88 percent, respectively.
Table TN-2. School participation rates in NAEP reading and mathematics assessments, by student age group
and type of school: 2012
Type of school Age 9 Age 17 87 Nation Age 13
88 84 Public 89 90 86 Private 61 69 63 95 92 88 Catholic NOTE: Private schools include Catholic, other religious, and nonsectarian private schools. To ensure unbiased samples, NAEP statistical standards require that participation rates for original school
samples be 70 percent or higher to report national results separately for public and private school students.
At all three ages, the school participation rates met the standards for reporting results separately for public
schools in 2012 but not for private schools. Catholic school participation rates, however, did meet the stan
dards in 2012 for reporting results separately; therefore, results for Catholic schools are included in this report. The Composition of the 2012 Long-Term Trend Reading and
The 2012 reading assessment was composed of between 88 and 106 questions at each age (table TN-3).
The majority of these questions were multiple choice. One constructed-response question was included in
some, but not all, of the 10 sections administered at each age.
Table TN-3. Number of reading passages and questions in NAEP reading assessment, by student age group: 2012
Age group Reading passages Multiple-choice questions Constructed-response questions Age 9 36 84 4 Age 13 39 99 7 Age 17 36 95 8 Some of the reading assessment questions were administered to students at more than one age (figure TN-1).
For example, of the 88 questions that made up the reading assessment for 9-year-olds, 17 percent were also
administered at age 13, and 31 percent were administered across all three age groups.
Figure TN-1. Percentage distribution of NAEP reading assessment questions administered at and across
student age groups: 2012 Age
group NOTE: Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2012 Long-Term Trend Reading and
Mathematics Assessments. TRENDS IN ACADEMIC PROGRESS 2012 51 T ECHNICAL NOTES The
The 2012 mathematics assessment included between 137 and 157 questions at each age (table TN-4).
The majority of these questions were multiple choice. Some constructed-response questions were
included in each of the sections administered at each age.
Table TN-4. Number of multiple-choice and constructed-response questions in NAEP mathematics assessment,
by student age group: 2012
Age group Multiple-choice questions Constructed-response questions Age 9 101 36 Age 13 120 37 Age 17 126 31 Some of the mathematics assessment questions were administered across more than one age group
(figure TN-2). For example, of the 157 questions that made up the mathematics assessment for
13-year-olds, 13 percent were also administered at age 9 and 23 percent were also administered at
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