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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Marginal Correlations of the Subscales, by Grade, Mathematics Combined National and State Main Assessment: 2005

NAEP Technical DocumentationMarginal correlations of the subscales, grades 4 and 8 mathematics combined national and state main assessment: 2005

Grade	Scale	Number sense, properties, and operations	Measurement	Geometry and spatial sense	Data analysis, statistics, and probability	Algebra and functions
4	Number sense, properties, and operations	§	§	§	§	§
	Measurement	0.91	§	§	§	§
	Geometry and spatial sense	0.86	0.84	§	§	§
	Data analysis, statistics, and probability	0.88	0.85	0.82	§	§
	Algebra and functions	0.89	0.85	0.82	0.84	§
8	Number sense, properties, and operations	§	§	§	§	§
	Measurement	0.88	§	§	§	§
	Geometry and spatial sense	0.86	0.86	§	§	§
	Data analysis, statistics, and probability	0.88	0.85	0.84	§	§
	Algebra and functions	0.90	0.87	0.87	0.86	§
§ 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), 2005 Mathematics Assessment.

Marginal correlations of the subscales, grade 12 mathematics national main assessment: 2005

Grade	Scale	Number sense, properties, and operations	Measurement & geometry and spatial sense	Data analysis, statistics, and probability	Algebra and functions
12	Number sense, properties, and operations	§	§	§	§
	Measurement & geometry and spatial sense1	0.92	§	§	§
	Data analysis, statistics, and probability	0.92	0.90	§	§
	Algebra and functions	0.91	0.94	0.90	§
§ These cells do not display data because this is a correlation matrix. Information is shown for the lower triangle only to eliminate redundant information. 1 For grade 12, the "measurement" subscale and the "geometry and spatial sense" subscale were combined for scaling. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 Mathematics Assessment.

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