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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Average Marginal Correlations and Ranges of Correlations Among the Subscales for 55 Jurisdictions, Grade 8 Reading Combined National and State Main Assessment: 2003

NAEP Technical DocumentationAverage marginal correlations and ranges of correlations among the subscales for 55 jurisdictions, grade 8 reading combined national and state main assessment: 2003

Scale	Reading for literary experience		Reading to gain information
	Average correlation	Range of correlations	Average correlation	Range of correlations
Reading for literary experience	§	§	§	§
Reading to gain information	0.91	(.76–.96)	§	§
Reading to perform a task	0.90	(.75–.96)	0.93	(.83–.96)
§ These cells do not display data because this is a correlation matrix. Information is shown for the lower triangle only to eliminate redundant information. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2003 Reading Assessment.

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