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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Number of Items in Each Subject Area Scale → Number of Items as Defined Before and After Scaling, Reading Long-Term Trend National Assessment, by Age: 2020

​​​​NAEP Technical DocumentationNumber of Items as Defined Before and After Scaling, Reading Long-Term Trend National Assessment, by Age: 2020

Number of items in the univariate scale as defined before scaling, reading long-term trend national assessment, by age: 2020
Age Total
In 2020, age 17 was not assessed.
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2020 Reading Long-Term Trend Assessment.
9 78
13 95
​

Number of items in the univariate scale as defined after scaling, reading long-term trend national assessment, by age: 2020
AgeTotal
In 2020, age 17 was not assessed.
U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2020 Reading Long-Term Trend Assessment.
978
1395
​
Last updated 28 March 2024 (SK)