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, Reading Combined National and State Main Assessment, by Scale and Grade: 2009

NAEP Technical DocumentationCoefficients of linear transformations of the content-strand scales from the calibrating scale units to the units of the reporting scale, reading combined national and state main assessment, by scale and grade: 2009

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), 2009 Reading Assessment.
4	Reading for literary experience	37.10	222.14
	Reading to gain information	38.15	218.78
	Composite	37.31	220.66
8	Reading for literary experience	37.07	261.74
	Reading to gain information	37.75	264.10
	Composite	36.96	262.70
12	Reading for literary experience	51.18	278.52
	Reading to gain information	37.57	289.47
	Composite	41.41	286.20

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