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NAEP Analysis and Scaling → Scale Linking and Transformation to the Reporting Metric → Transformation Constants for NAEP Assessments → Coefficients of Linear Transformation of the Subscales from the Calibrating Scale Units to the Units of the Reporting Scale, Reading National Assessment, by Subscale and Grade: 2015

NAEP Technical DocumentationCoefficients of Linear Transformation of the Subscales from the Calibrating Scale Units to the Units of the Reporting Scale, Reading National Assessment, by Subscale and Grade: 2015

Coefficients of linear transformation of the subscales from the calibrating scale units to the units of the reporting scale, reading national assessment, by subscale and grade: 2015
Grade	Subscale	A	B
4	Literary	40.23	222.89
4	Information	42.46	218.51
8	Literary	37.93	263.21
8	Information	35.50	268.25
12	Literary	50.60	278.30
12	Information	37.63	289.88
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), 2015 Reading Assessment.

Last updated 18 November 2021 (ML)

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