NAEP Analysis and Scaling → Scale Linking and Transformation to the Reporting Metric → Transformation Constants for NAEP Assessments → Coefficients of Linear Transformations of the Content-Dimension Scales from the Individual State Calibrating Scale Units to the Combined Calibrating Scale Units, Science State Assessment, by Scale Grade: 2011

NAEP Technical DocumentationCoefficients of linear transformations of the content-dimension scales from the individual stat calibrating scale units to the combined calibrating scale units, science state assessment, by subscale and grade: 2011

Grade	Subscale	A	B
NOTE: Transformed scale scores below 0 were reset to values of 0, and any transformed scale scores greater than 300 were set to values of 300. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Science State Assessment.
8	Physical science	0.95	0.01
	Earth and space sciences	0.97	0.01
	Life science	0.96	0.01

Coefficients of linear transformations of the content-dimension scales from the individual state calibrating scale units to the combined calibrating scale units, science state assessment, by scale and grade: 2011

Grade	Scale	A	B
1 Single overall scale. NOTE: Transformed scale scores below 0 were reset to values of 0, and any transformed scale scores greater than 300 were set to values of 300. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Science State Assessment.
8	One Scale1	0.98	0.01

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