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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, U.S. History National Main Assessment (Accommodations Permitted [R3]): 2001

NAEP Technical DocumentationConditional correlations and variances of the subscales, by grade, U.S. history national main assessment (accommodations permitted [R3]): 2001

Grade	Scale	Democracy1	Cultures2	Technology3	World role4
4	Democracy	§	§	§	§
	Cultures	0.93	§	§	§
	Technology	0.94	0.93	§	§
	World role	0.94	0.93	0.91	§
	Residual variance	0.49	0.38	0.37	0.51
8	Democracy	§	§	§	§
	Cultures	0.96	§	§	§
	Technology	0.93	0.94	§	§
	World role	0.94	0.92	0.87	§
	Residual variance	0.45	0.39	0.36	0.43
12	Democracy	§	§	§	§
	Cultures	0.91	§	§	§
	Technology	0.94	0.92	§	§
	World role	0.92	0.87	0.89	§
	Residual variance	0.49	0.40	0.43	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.

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