NAEP Analysis and Scaling - Conditional Correlations and Variances of the Subscales, by Grade, Geography National Main Assessment (Accommodations Not Permitted [R2]): 2001

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, Geography National Main Assessment (Accommodations Not Permitted [R2]): 2001

Conditional correlations and variances of the subscales, by grade, geography national main assessment (accommodations not permitted [R2]): 2001
Grade	Subscale	Space and place	Environment and society	Spatial dynamics and connections
4	Space and place	§	§	§
	Environment and society	0.92	§	§
	Spatial dynamics and connections	0.96	0.96	§
	Residual variance	0.32	0.29	0.31
8	Space and place	§	§	§
	Environment and society	0.96	§	§
	Spatial dynamics and connections	0.98	0.96	§
	Residual variance	0.34	0.35	0.28
12	Space and place	§	§	§
	Environment and society	0.94	§	§
	Spatial dynamics and connections	0.96	0.96	§
	Residual variance	0.39	0.39	0.39
§This is a lower triangular symmetrical table. NOTE: Values in the table are estimates conditioned on the set of principal components included in the models used to estimate group score distributions. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2001 Geography Assessment.