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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Conditional Correlations and Variances of the Subscales, by Grade, Reading Combined National and State Main Assessment: 2003

NAEP Technical DocumentationConditional correlations and variances of the subscales, by grade, reading combined national and state main assessment: 2003

Grade	Scale	Reading for literary experience	Reading to gain information	Reading to perform a task
4	Reading for literary experience	§	§	†
	Reading to gain information	0.83	§	†
	Reading to perform a task	†	†	†
	Residual Variance	0.51	0.52	†
8	Reading for literary experience	§	§	§
	Reading to gain information	0.76	§	§
	Reading to perform a task	0.73	0.83	§
	Residual Variance	0.57	0.46	0.43
† Not applicable; no items are created for this scale in any NAEP reading assessment at the grade 4 level as specified by the reading framework . § 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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