NAEP Analysis and Scaling - Conditional Correlations and Variances of the Subscales, Mathematics Combined National and State Main Assessment, by Grade: 2009

NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Conditional Correlations and Variances of the Subscales, Mathematics Combined National and State Main Assessment, by Grade: 2009

NAEP Technical DocumentationConditional correlations and variances of the subscales, mathematics combined national and state main assessment, by grade: 2009
Grade	Scale	Number sense, properties, and operations	Measurement	Geometry	Data analysis, statistics, and probability	Algebra
¹ At grade 12 only, the "measurement" and "geometry" subscales 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), 2009 Mathematics Assessment.
4	Number sense, properties, and operations	1.00	0.93	0.81	0.93	0.94
	Measurement	0.93	1.00	0.84	0.90	0.90
	Geometry	0.81	0.84	1.00	0.83	0.81
	Data analysis, statistics, and probability	0.93	0.90	0.83	1.00	0.92
	Algebra	0.94	0.90	0.81	0.92	1.00
	Residual variance	0.41	0.45	0.54	0.46	0.47
8	Number sense, properties, and operations	1.00	0.91	0.85	0.91	0.92
	Measurement	0.91	1.00	0.90	0.89	0.90
	Geometry	0.85	0.90	1.00	0.84	0.86
	Data analysis, statistics, and probability	0.91	0.89	0.84	1.00	0.91
	Algebra	0.92	0.90	0.86	0.91	1.00
	Residual variance	0.38	0.40	0.44	0.39	0.35
12¹	Number sense, properties, and operations	1.00	0.91		0.93	0.90
	Measurement and geometry	0.91	1.00		0.88	0.93
	Data analysis, statistics, and probability	0.93	0.88		1.00	0.87
	Algebra	0.90	0.93		0.87	1.00
	Residual variance	0.23	0.24		0.29	0.22

Last updated 06 January 2016 (GF)