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NAEP Analysis and Scaling → Scale Linking and Transformation to the Reporting Metric → The Transformation Equation → Comparisons of Distributions of Linking Samples for NAEP Assessments → Comparison Means and Percentiles of 1996 Scores and 1996 Transformed Provisional Scores, Grade 4 Mathematics Assessment: 2000
| Scale | Statistic | Original 1996 estimate | 1996 transformed provisional estimate | Difference between the provisional estimate and the original estimate |
|---|---|---|---|---|
| Composite scale | Mean | 223.91 | 223.91 | 0.00 |
| 10th percentile | 182.11 | 181.61 | -0.50 | |
| 25th percentile | 203.56 | 203.23 | -0.33 | |
| 50th percentile | 225.83 | 225.99 | 0.16 | |
| 75th percentile | 245.57 | 246.02 | 0.45 | |
| 90th percentile | 262.48 | 262.52 | 0.04 | |
| Number sense, properties, and operations | Mean | 221.09 | 221.09 | 0.00 |
| 10th percentile | 175.95 | 175.65 | -0.30 | |
| 25th percentile | 198.67 | 198.42 | -0.25 | |
| 50th percentile | 222.84 | 223.11 | 0.27 | |
| 75th percentile | 244.77 | 245.11 | 0.34 | |
| 90th percentile | 263.85 | 263.30 | -0.55 | |
| Measurement | Mean | 225.82 | 225.82 | 0.00 |
| 10th percentile | 179.95 | 180.27 | 0.32 | |
| 25th percentile | 203.52 | 203.57 | 0.05 | |
| 50th percentile | 227.97 | 228.07 | 0.09 | |
| 75th percentile | 249.78 | 249.58 | -0.19 | |
| 90th percentile | 267.72 | 268.06 | 0.33 | |
| Geometry and spatial sense | Mean | 225.01 | 225.01 | 0.00 |
| 10th percentile | 185.16 | 184.80 | -0.36 | |
| 25th percentile | 205.69 | 205.63 | -0.05 | |
| 50th percentile | 226.62 | 227.15 | 0.53 | |
| 75th percentile | 245.83 | 245.95 | 0.12 | |
| 90th percentile | 262.01 | 261.73 | -0.28 | |
| Data analysis, statistics, and probability | Mean | 224.61 | 224.61 | 0.00 |
| 10th percentile | 181.81 | 181.96 | 0.15 | |
| 25th percentile | 204.02 | 204.05 | 0.03 | |
| 50th percentile | 226.84 | 226.96 | 0.11 | |
| 75th percentile | 247.11 | 247.26 | 0.16 | |
| 90th percentile | 263.78 | 263.29 | -0.50 | |
| Algebra and functions | Mean | 227.35 | 227.35 | 0.00 |
| 10th percentile | 186.87 | 186.75 | -0.11 | |
| 25th percentile | 207.51 | 207.46 | -0.04 | |
| 50th percentile | 228.91 | 229.02 | 0.10 | |
| 75th percentile | 248.46 | 248.60 | 0.14 | |
| 90th percentile | 265.19 | 264.99 | -0.20 | |
| 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 24 March 2008 (GF)