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Table 10. Difference between the estimated NAEP scale equivalents of state proficiency standards for mathematics at grade 4, by state: 2009 and 2007

State/jurisdiction 2009 NAEP scale equivalent 2007 NAEP scale equivalent Change from
2007 NAEP
scale equivalent
Standard error of the difference 2007 and 2009 tests are comparable1
Alabama 207 205 1.3   1.84 Yes
Alaska 218 216 1.3 1.74 Yes
Arizona 212 213 -1.2 1.80 Yes
Arkansas 216 229 -12.8 * 1.09 Yes
California 220 226 -5.1 * 1.28 Yes
Colorado 202 201 0.8 2.06 Yes
Connecticut 214 220 -6.4 * 1.37 Yes
Delaware 220 225 -4.9 * 0.93 Yes
District of Columbia 217 Yes
Florida 225 230 -4.9 * 1.31 Yes
Georgia 218 213 4.5 * 1.77 No
Hawaii 239 238 1.1 1.03 Yes
Idaho 213 217 -4.7 * 2.11 Yes
Illinois 207 208 -0.8 1.38 No
Indiana 229 228 1.6   1.20 No
Iowa 221 220 1.3 1.53 Yes
Kansas 217 219 -1.6 2.24 Yes
Kentucky 223 229 -5.8 * 1.25 Yes
Louisiana 221 223 -2.0 1.54 Yes
Maine 234 236 -1.5   1.16 Yes
Maryland 208 206 1.3 1.55 Yes
Massachusetts 255 254 0.6 1.23 Yes
Michigan 200 204 -3.9 * 1.87 Yes
Minnesota 233 237 -4.9 * 1.29 Yes
Mississippi 223 204 18.5 * 1.18 No
Missouri 246 245 0.6 1.10 Yes
Montana 235 234 0.8 1.58 Yes
Nebraska Yes
Nevada 225 224 1.6 1.72 Yes
New Hampshire 237 239 -2.4   1.36 Yes
New Jersey 231 220 11.1 * 1.82 No
New Mexico 236 233 3.6 * 1.38 Yes
New York 207 219 -11.9 * 1.26 Yes
North Carolina 220 231 -10.9 * 1.30 Yes
North Dakota 225 226 -0.6   1.40 Yes
Ohio 219 225 -5.2 * 1.65 Yes
Oklahoma 228 213 14.7 * 1.78 No
Oregon 214 220 -6.4 * 1.71 Yes
Pennsylvania 218 223 -5.2 * 1.44 Yes
Rhode Island 231 236 -4.4 * 1.04 Yes
South Carolina 215 245 -29.8 * 1.25 No
South Dakota 224 224 -0.2 1.29 Yes
Tennessee 195 198 -2.7 1.89 Yes
Texas 214 217 -2.6 1.32 Yes
Utah 225 223 1.7   1.68 Yes
Vermont 236 239 -3.4 * 1.36 Yes
Virginia 213 219 -6.4 * 1.37 Yes
Washington 243 240 3.6 * 1.01 Yes
West Virginia 225 217 8.6 * 1.45 No
Wisconsin 219 222 -3.7 2.56 Yes
Wyoming 226 216 9.4 * 0.85 Yes
– State assessment data not available.
† Not applicable.
* Statistically significant at p<.05.
1 State assessment is comparable between years when state confirmed making no substantive changes in the assessment.
NOTE: Differences are computed using unrounded numbers. Standard errors of the NAEP scale equivalents are listed in Table 1b and Table 2b.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 and 2009 Mathematics Assessments. U.S. Department of Education, Office of Planning, Evaluation and Policy Development, EDFacts SY 2008–09, Washington, DC, 2010. The National Longitudinal School-Level State Assessment Score Database (NLSLSASD) 2010.

Last updated 05 August 2011 (EP)
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