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 Reading 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 reading combined national and state assessment: 2002
Jurisdiction Number of principal components Proportion1 of scale score variance
Reading for literary experience Reading to gain information
Alabama 242 0.57 0.55
Arizona 244 0.58 0.59
Arkansas 225 0.58 0.58
California 228 0.63 0.63
Connecticut 238 0.56 0.56
Delaware 241 0.50 0.53
Florida 255 0.53 0.54
Georgia 255 0.49 0.52
Hawaii 256 0.56 0.59
Idaho 213 0.57 0.58
Indiana 210 0.43 0.48
Iowa 186 0.52 0.55
Kansas 188 0.56 0.53
Kentucky 223 0.40 0.45
Louisiana 218 0.57 0.56
Maine 207 0.60 0.57
Maryland 222 0.54 0.56
Massachusetts 249 0.58 0.57
Michigan 214 0.53 0.52
Minnesota 201 0.53 0.53
Mississippi 234 0.52 0.52
Missouri 240 0.57 0.57
Montana 158 0.67 0.62
Nebraska 175 0.58 0.59
Nevada 249 0.49 0.51
New Mexico 235 0.57 0.60
New York 215 0.60 0.64
North Carolina 242 0.52 0.51
North Dakota 203 0.53 0.54
Ohio 216 0.48 0.51
Oklahoma 247 0.54 0.56
Oregon 212 0.51 0.49
Pennsylvania 238 0.57 0.60
Rhode Island 232 0.55 0.55
South Carolina 241 0.51 0.61
Tennessee 226 0.48 0.52
Texas 254 0.55 0.57
Utah 237 0.53 0.52
Vermont 182 0.54 0.59
Virginia 244 0.53 0.56
Washington 205 0.52 0.53
West Virginia 218 0.50 0.50
Wyoming 222 0.56 0.55
Other jurisdictions
District of Columbia 208 0.50 0.56
DDESS2 155 0.50 0.49
DoDDS3 198 0.48 0.47
Guam 152 0.52 0.54
Virgin Islands 123 0.63 0.64
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).
NOTE: The NAEP reading assessment does not assess the "reading to perform a task" scale at grade 4.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2002 Reading Assessment.
Last updated 13 February 2009 (GF)

Printer-friendly Version