NAEP Analysis and Scaling - Coefficients of Linear Transformations of the Content-Strand Scales from the Calibrating Scale Units to the Units of the Reporting Scale, by Age, Mathematics Long-Term Trend Assessment: 2004

NAEP Analysis and Scaling → Scale Linking and Transformation to the Reporting Metric → Transformation Constants for NAEP Assessments → Coefficients of Linear Transformations of the Content-Strand Scales From the Calibrating Scale Units to the Units of the Reporting Scale, Mathematics Long-Term Trend Assessment, by Age: 2004

NAEP Technical DocumentationCoefficients of linear transformations of the content-strand scales from the calibrating scale units to the units of the reporting scale, mathematics long-term trend assessment, by age: 2004
Age	A	B
9	36.08	239.06
13	35.75	278.70
17	30.80	305.25
Note: Transformed scale scores below 0 were reset to values of 0, and any transformed scale scores greater than 500 were set to values of 500. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004 Mathematics Long-Term Trend Assessment.

Last updated 15 January 2009 (RF)