NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Correlations Among NAEP Subject Area Subscales → Select Percentiles for Correlations Among the Mathematics Scales for 11 Jurisdictions, Grade 12 Operational Mathematics State Assessment, by Scale: 2009

NAEP Technical DocumentationSelect percentiles for correlations among the mathematics scales for 11 jurisdictions, grade 12 operational mathematics state assessment, by scale: 2009

Scale	Percentile	Number sense, properties, and operations	Measurement and Geometry	Data analysis, statistics, and probability	Algebra
§ This is a lower triangular symmetrical table. 1 At grade 12 only, the "measurement" and "geometry" subscales were combined for scaling. NOTE: Tabled values were obtained by computing a separate Pearson correlation coefficient for each plausible value, computing Fisher’s z-transformation for each value, computing the average of the transformed values, and computing the inverse transformation. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Mathematics Assessment.
Number sense, properties, and operations	10th percentile	§	§	§	§
	50th percentile	§	§	§	§
	90th percentile	§	§	§	§
Measurement and Geometry1	10th percentile	0.77	§	§	§
	50th percentile	0.82	§	§	§
	90th percentile	0.84	§	§	§
Data analysis, statistics, and probability	10th percentile	0.76	0.84	§	§
	50th percentile	0.79	0.86	§	§
	90th percentile	0.82	0.88	§	§
Algebra	10th percentile	0.77	0.89	0.84	§
	50th percentile	0.81	0.90	0.86	§
	90th percentile	0.85	0.92	0.88	§

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