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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 42 Jurisdictions, Grade 8 Science State Assessment (Accommodations Permitted [R3]): 2000

NAEP Technical DocumentationAverage marginal correlations and ranges of correlations among the subscales for 42 jurisdictions, grade 8 science state assessment (accommodations permitted [R3]): 2000

Scale	Physical science		Earth science		Life science
	Average marginal correlation	Range of correlations	Average marginal correlation	Range of correlations	Average marginal correlation	Range of correlations
Physical science	§	§	§	§	§	§
Earth science	0.94	(.86–.97)	§	§	§	§
Life science	0.93	(.84–.97)	0.91	(.83–.97)	§	§
§This is a lower triangular symmetrical table. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Science Assessment.

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