Table of Contents  |  Search Technical Documentation  |  References

NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Examining the Population-Structure Models Used in NAEP → Proportion of Scale Score Variance Accounted for by the Population-Structure Models → Proportion of Scale Score Variance Accounted for by the Population-Structure Models, Grade 4 Writing Combined National and State Assessment, by Jurisdiction: 2002

NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure models, by jurisdiction, grade 4 writing combined national and state assessment: 2002

Jurisdiction	Number of principal components	Proportion1 of scale score variance
Alabama	242	0.58
Arizona	240	0.60
Arkansas	227	0.57
California	225	0.63
Connecticut	236	0.57
Delaware	244	0.52
Florida	252	0.53
Georgia	252	0.59
Hawaii	256	0.52
Idaho	211	0.57
Indiana	206	0.55
Iowa	183	0.60
Kansas	185	0.57
Kentucky	222	0.52
Louisiana	226	0.53
Maine	209	0.63
Maryland	223	0.55
Massachusetts	250	0.60
Michigan	213	0.57
Minnesota	200	0.57
Mississippi	236	0.52
Missouri	239	0.55
Montana	159	0.63
Nebraska	167	0.65
Nevada	248	0.54
New Mexico	238	0.59
New York	214	0.59
North Carolina	246	0.46
North Dakota	198	0.54
Ohio	211	0.54
Oklahoma	246	0.55
Oregon	216	0.54
Pennsylvania	237	0.58
Rhode Island	231	0.60
South Carolina	241	0.59
Tennessee	226	0.55
Texas	251	0.51
Utah	240	0.54
Vermont	180	0.58
Virginia	243	0.59
Washington	203	0.57
West Virginia	222	0.57
Wyoming	221	0.54
Other jurisdictions
District of Columbia	211	0.59
DDESS2	158	0.61
DoDDS3	193	0.45
Guam	151	0.58
Virgin Islands	125	0.63
1 (Total Variance – Residual Variance)/Total Variance, where Total Variance consists of both sampling and measurement error variance. 2 Department of Defense Domestic Dependent Elementary and Secondary Schools. 3 Department of Defense Dependents Schools (Overseas). SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2002 Writing Assessment.

Printer-friendly Version