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)