NAEP Technical DocumentationMarginal correlations of the subscales, U.S. history national assessment, by subscale and grade: 2014

Grade	Subscale	Democracy	Cultures	Technology	World role
§ These cells do not display data because this is a correlation matrix. Information is shown for the lower triangle only to eliminate redundant information. NOTE: Tabled values were obtained by computing a separate Pearson correlation coefficient for each plausible value, computing Fisher’s z-transformation for each correlation coefficent, computing the average of the transformed values, and computing the inverse transformation to produce the reported marginal correlations. In 2014, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2014 U.S. History Assessment.
8	Democracy	1.00	§	§	§
	Cultures	.93	1.00	§	§
	Technology	.91	.93	1.00	§
	World role	.90	.91	.89	1.00

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