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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 Model → Proportion of Scale Score Variance Accounted for by the Population-Structure Model, Grade 4 Mathematics Combined National and State Main Assessment, by Scale and Jurisdiction: 2007
NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure model, grade 4 mathematics combined national and state main assessment, by scale and jurisdiction: 2007
Jurisdiction Number of principal components Proportion1 of scale score variance accounted for by the population-structure model
Number properties and operations Measurement Geometry Data analysis and probability Algebra
1 (Total Variance – Residual Variance)/Total Variance, where Total Variance consists of both sampling and measurement error variance.
2 Department of Defense Education Activity.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Mathematics State Assessment.
Alabama 220 0.64 0.66 0.60 0.61 0.59
Alaska 232 0.52 0.54 0.45 0.60 0.55
Arizona 287 0.66 0.69 0.64 0.65 0.65
Arkansas 231 0.56 0.62 0.59 0.62 0.59
California 330 0.62 0.61 0.58 0.59 0.58
Colorado 243 0.64 0.67 0.60 0.67 0.62
Connecticut 228 0.66 0.67 0.62 0.72 0.65
Delaware 224 0.56 0.60 0.53 0.65 0.52
Florida 282 0.56 0.58 0.48 0.60 0.58
Georgia 240 0.57 0.60 0.55 0.64 0.61
Hawaii 255 0.62 0.60 0.61 0.63 0.57
Idaho 263 0.58 0.57 0.50 0.59 0.60
Illinois 252 0.61 0.63 0.61 0.62 0.60
Indiana 223 0.60 0.63 0.58 0.60 0.63
Iowa 222 0.54 0.58 0.47 0.54 0.52
Kansas 243 0.58 0.61 0.54 0.60 0.62
Kentucky 205 0.50 0.51 0.48 0.52 0.50
Louisiana 209 0.58 0.58 0.57 0.59 0.52
Maine 236 0.52 0.56 0.50 0.55 0.54
Maryland 213 0.62 0.63 0.60 0.62 0.61
Massachusetts 250 0.59 0.58 0.63 0.64 0.63
Michigan 223 0.61 0.62 0.57 0.58 0.58
Minnesota 265 0.64 0.65 0.59 0.66 0.64
Mississippi 215 0.52 0.56 0.58 0.55 0.49
Missouri 224 0.54 0.58 0.53 0.56 0.54
Montana 267 0.56 0.58 0.53 0.56 0.59
Nebraska 235 0.59 0.63 0.56 0.63 0.58
Nevada 268 0.58 0.58 0.54 0.56 0.56
New Hampshire 243 0.50 0.59 0.50 0.55 0.55
New Jersey 225 0.59 0.63 0.56 0.57 0.61
New Mexico 292 0.56 0.62 0.54 0.66 0.61
New York 258 0.60 0.65 0.59 0.63 0.56
North Carolina 292 0.58 0.62 0.60 0.59 0.65
North Dakota 244 0.50 0.52 0.51 0.58 0.51
Ohio 217 0.58 0.60 0.48 0.56 0.58
Oklahoma 287 0.55 0.60 0.63 0.60 0.61
Oregon 265 0.59 0.59 0.51 0.57 0.58
Pennsylvania 231 0.63 0.67 0.59 0.67 0.63
Rhode Island 229 0.58 0.63 0.55 0.58 0.58
South Carolina 230 0.62 0.60 0.59 0.61 0.61
South Dakota 255 0.56 0.61 0.53 0.56 0.63
Tennessee 221 0.56 0.59 0.58 0.59 0.58
Texas 291 0.52 0.55 0.50 0.57 0.53
Utah 237 0.57 0.59 0.52 0.58 0.58
Vermont 238 0.57 0.58 0.58 0.61 0.60
Virginia 237 0.59 0.61 0.62 0.60 0.58
Washington 279 0.62 0.64 0.56 0.63 0.64
West Virginia 215 0.49 0.52 0.50 0.53 0.52
Wisconsin 242 0.58 0.66 0.59 0.58 0.62
Wyoming 234 0.55 0.60 0.47 0.59 0.57
  Other jurisdictions
District of Columbia 166 0.63 0.65 0.57 0.59 0.65
DoDEA2 234 0.50 0.51 0.52 0.53 0.51

Last updated 18 February 2010 (JL)

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