NAEP Analysis and Scaling - Coefficients of Linear Transformations of the Content-Strand Scales From the Individual State Calibrating Scale Units to the Combined Calibrating Scale Units, Science Comined National and State Main Assessment, By Grade

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 Individual State Calibrating Scale Units to the Combined Calibrating Scale Units, Science Comined National and State Main Assessment, By Grade: 2005

NAEP Technical DocumentationCoefficients of linear transformations of the content-strand scales from the individual state calibrating scale units to the combined calibrating scale units, science combined national and state main assessment, by grade: 2005
Grade	Scale	A	B
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), 2005 Science Assessment.
4	Physical science	0.96	0.01
	Earth science	0.95	0.01
	Life science	0.96	0.01
8	Physical science	0.97	0.01
	Earth science	0.97	0.01
	Life science	0.97	0.01

Last updated 13 May 2009 (RF)