NAEP Technical DocumentationCoefficients of Linear Transformation of the Subscales from the Calibrating Scale Units to the Units of the Reporting Scale, Reading Combined National and State Assessment, by Subscale and Grade: 2017

Coefficients of linear transformation of the subscales from the calibrating scale units to the units of the reporting scale, reading PBA combined national and state assessment, by subscale and grade: 2017

Grade	Subscale	A	B
4	Reading for literary experience	40.72	222.62
	Reading for information	44.04	218.03
8	Reading for literary experience	38.66	262.32
	Reading for information	36.00	268.14
NOTE: Transformed scale scores below 0 were reset to values of 0, and transformed scale scores greater than 500 were reset to values of 500. In 2017, grade 12 was not assessed. PBA = Paper-based assessment. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2017 Reading Assessment.

Coefficients of linear transformation of the subscales from the calibrating scale units to the units of the reporting scale, reading DBA combined national and state assessment, by subscale and grade: 2017

Grade	Subscale	A	B
4	Reading for literary experience	39.28	223.53
	Reading for information	45.46	217.21
8	Reading for literary experience	38.85	263.02
	Reading for information	37.00	268.27
NOTE: Transformed scale scores below 0 were reset to values of 0, and transformed scale scores greater than 500 were reset to values of 500. In 2017, grade 12 was not assessed. DBA = Digitally based assessment. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2017 Reading Assessment.

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