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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), 2002 Assessment. | |||||||||
Reading | 4 | 156,134 | 1/1210 | 32 | 129 | 6,483 | 9 | 0.0014 | 0.0033 |
8 | 126,812 | 1/1364 | 37 | 93 | 5,812 | 4 | 0.0007 | 0.0024 | |
12 | 15,340 | 1/138 | 38 | 111 | 6,784 | 7 | 0.0010 | 0.0027 | |
Writing | 4 | 151,962 | 1/1226 | 40 | 124 | 5,332 | 5 | 0.0009 | 0.0029 |
8 | 128,194 | 1/1077 | 40 | 119 | 6,307 | 23 | 0.0036 | 0.0064 | |
12 | 19,286 | 1/205 | 40 | 94 | 4,982 | 8 | 0.0016 | 0.0040 |
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 |
---|---|---|---|---|---|---|---|---|---|
NOTE: Teacher questionnaires were not administered at grade 12 in reading or writing in 2002. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2002 Assessment. |
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Reading | 4 | 17,860 | 1/208 | 1 | 86 | 9,890 | 7 | 0.0007 | 0.0019 |
8 | 12,813 | 1/207 | 1 | 62 | 7,068 | 2 | 0.0003 | 0.0015 | |
Writing | 4 | 17,956 | 1/206 | 1 | 87 | 10,005 | 7 | 0.0007 | 0.0019 |
8 | 13,085 | 1/195 | 1 | 67 | 7,638 | 2 | 0.0003 | 0.0014 |
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), 2002 Assessment.
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Reading | 4 | 5,665 | 1/172 | 1 | 33 | 3,696 | 0 | 0.0000 | 0.0017 |
8 | 4,818 | 1/161 | 1 | 30 | 3,330 | 0 | 0.0000 | 0.0019 | |
12 | 732 | 1/146 | 1 | 5 | 570 | 0 | 0.0000 | 0.0108 | |
Writing | 4 | 5,665 | 1/172 | 1 | 33 | 3,696 | 0 | 0.0000 | 0.0017 |
8 | 4,818 | 1/161 | 1 | 30 | 3,330 | 0 | 0.0000 | 0.0019 | |
12 | 732 | 1/146 | 1 | 5 | 570 | 0 | 0.0000 | 0.0108 |
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), 2002 Assessment.
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Reading | 4 | 25,659 | 1/524 | 1 | 49 | 2,303 | 0 | 0.0000 | 0.0017 |
8 | 18,409 | 1/428 | 1 | 43 | 2,021 | 0 | 0.0000 | 0.0019 | |
12 | 1,272 | 1/254 | 1 | 5 | 235 | 0 | 0.0000 | 0.0261 | |
Writing | 4 | 23,896 | 1/443 | 1 | 54 | 2,538 | 0 | 0.0000 | 0.0015 |
8 | 18,206 | 1/552 | 1 | 33 | 1,551 | 0 | 0.0000 | 0.0025 | |
12 | 1,706 | 1/853 | 1 | 2 | 94 | 0 | 0.0000 | 0.0640 |