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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, Mathematics Combined National and State Main Assessment, By Grade: 2007

NAEP Technical DocumentationCoefficients of linear transformations of the content-strand scales from the individual state calibrating scale units to the combined calibrating scale units, mathematics combined national and state main assessment, by grade: 2007

Grade	Scale	A	B
# Rounds to zero. 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), 2007 Mathematics State Assessment.
4	Number sense, properties, and operations	0.98	0.01
	Measurement	0.96	0.01
	Geometry and spatial sense	0.95	#
	Data analysis, statistics, and probability	0.95	0.01
	Algebra and functions	0.93	0.01
8	Number sense, properties, and operations	0.95	0.02
	Measurement	0.93	0.02
	Geometry and spatial sense	0.95	0.01
	Data analysis, statistics, and probability	0.92	0.01
	Algebra and functions	0.96	0.02

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