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The following summary tables give the upper 99.8 percent confidence limit for the error rates for each of the instruments as well as the sampling information. The 99.8 percent confidence limit and the selection rates indicated were chosen to make these results comparable to those of administrations since 1983, all of which used the same parameters.
Assessment | Grade | Number of samples | Selection rate | Number of different booklets | Number of booklets sampled | Number of fields sampled | Number of errors | Observed error rate | Upper 99.8% confidence limit |
---|---|---|---|---|---|---|---|---|---|
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Assessment. | |||||||||
Mathematics | 4 | 204,032 | 1/1962 | 52 | 104 | 8,792 | 3 | 0.0003 | 0.0014 |
8 | 160,127 | 1/1540 | 52 | 104 | 11,282 | 3 | 0.0003 | 0.0011 | |
Reading | 4 | 204,394 | 1/2044 | 50 | 100 | 7,640 | 3 | 0.0004 | 0.0016 |
8 | 170,627 | 1/1169 | 73 | 146 | 12,860 | 1 | 0.0001 | 0.0007 | |
Writing | 8 | 145,157 | 1/1814 | 40 | 80 | 6,160 | 0 | 0.0000 | 0.0010 |
12 | 28,877 | 1/361 | 40 | 80 | 6,400 | 3 | 0.0005 | 0.0019 | |
National Indian Education Study (NIES) | 4 | 11,162 | 1/2232 | 1 | 5 | 150 | 0 | 0.0000 | 0.0406 |
8 | 9,692 | 1/1938 | 1 | 5 | 240 | 1 | 0.0042 | 0.0347 | |
Puerto Rico mathematics | 4 | 2,828 | 1/129 | 11 | 22 | 1660 | 0 | 0.0000 | 0.0037 |
8 | 2,825 | 1/135 | 11 | 21 | 2140 | 0 | 0.0000 | 0.0029 |
Assessment | Grade | Number of samples | Selection rate | Number of different booklets | Number of booklets sampled | Number of fields sampled | Number of errors | Observed error rate | Upper 99.8% confidence limit |
---|---|---|---|---|---|---|---|---|---|
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Assessment. | |||||||||
Language arts & mathematics | 4 | 27,633 | 1/9211 | 1 | 3 | 417 | 1 | 0.0024 | 0.0201 |
Language arts | 8 | 20,179 | 1/6726 | 1 | 3 | 255 | 0 | 0.0000 | 0.0241 |
Mathematics | 8 | 17,752 | 1/4461 | 1 | 4 | 312 | 0 | 0.0000 | 0.0197 |
National Indian Education Study (NIES) | 4 | 2,842 | 1/1421 | 1 | 2 | 92 | 0 | 0.0000 | 0.0653 |
8 | 3,194 | 1/1597 | 1 | 2 | 96 | 1 | 0.0119 | 0.0884 | |
Puerto Rico mathematics | 4 | 134 | 1/45 | 1 | 3 | 342 | 0 | 0.0000 | 0.0180 |
8 | 192 | 1/48 | 1 | 4 | 312 | 2 | 0.0064 | 0.0329 |
Grade | Number of samples | Selection rate | Number of different booklets | Number of booklets sampled | Number of fields sampled | Number of errors | Observed error rate | Upper 99.8% confidence limit |
---|---|---|---|---|---|---|---|---|
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Assessment. | ||||||||
4 | 7,866 | 1/1573 | 1 | 5 | 890 | 0 | 0.0000 | 0.0070 |
8 | 6,977 | 1/1395 | 1 | 5 | 920 | 0 | 0.0000 | 0.0067 |
12 | 656 | 1/131 | 1 | 5 | 555 | 0 | 0.0000 | 0.0111 |
National Indian Education Study (NIES) | ||||||||
4 & 8 | 3,903 | 1/780 | 1 | 5 | 430 | 0 | 0.0000 | 0.0143 |
Instrument | Number of samples | Selection rate | Number of different booklets | Number of booklets sampled | Number of fields sampled | Number of errors | Observed error rate | Upper 99.8% confidence limit |
---|---|---|---|---|---|---|---|---|
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Assessment. | ||||||||
SD | 116,979 | 1/23580 | 1 | 5 | 280 | 0 | 0.0000 | 0.0219 |
ELL | 66,447 | 1/13289 | 1 | 5 | 180 | 1 | 0.0000 | 0.0461 |
Puerto Rico | ||||||||
EI (students with disabilities) | 924 | 1/308 | 1 | 3 | 168 | 0 | 0.0000 | 0.0363 |
ELLE (linguistic limitations in Español) | 5 | 1/3 | 1 | 2 | 72 | 0 | 0.0000 | 0.0827 |