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

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NAEP Technical DocumentationConditional correlations and variances of the subscales, by grade, U.S. history national main assessment (accommodations not permitted [R2]): 2001
Grade	Scale	Democracy¹	Cultures²	Technology³	World role⁴
4	Democracy	§	§	§	§
	Cultures	0.94	§	§	§
	Technology	0.95	0.95	§	§
	World role	0.94	0.94	0.94	§
	Residual variance	0.47	0.34	0.33	0.45
8	Democracy	§	§	§	§
	Cultures	0.96	§	§	§
	Technology	0.93	0.95	§	§
	World role	0.95	0.92	0.89	§
	Residual variance	0.49	0.41	0.37	0.50
12	Democracy	§	§	§	§
	Cultures	0.92	§	§	§
	Technology	0.94	0.93	§	§
	World role	0.92	0.86	0.88	§
	Residual variance	0.49	0.39	0.39	0.47
§ This is a lower triangular symmetrical table. ¹ Change and Continuity in American Democracy: Ideas, Institutions, Practices, and Controversies. ² The Gathering of Interactions of Peoples, Cultures, and Ideas. ³ Economic and Technological Changes and Their Relation to Society, Ideas, and the Environment. ⁴ The Changing Role of America in the World. 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 U.S. History Assessment.

Last updated 11 July 2008 (DR)