Table 6. Difference between the estimated NAEP scale equivalents of state proficiency standards for mathematics at grade 4, by state: 2009 and 2005

State/jurisdiction	2009 NAEP scale equivalent	2005 NAEP scale equivalent	Change from 2005 NAEP scale equivalent		Standard error of the difference	2005 and 2009 tests are comparable¹
Alabama	207	207	-0.3		1.43	Yes
Alaska	218	222	-4.5	*	1.57	Yes
Arizona	212	–	†		†	Yes
Arkansas	216	236	-19.6	*	1.42	Yes
California	220	231	-10.3	*	1.23	Yes
Colorado	202	201	0.7		1.78	Yes
Connecticut	214	221	-7.3	*	1.42	No
Delaware	220	–	†		†	No
District of Columbia	202	–	†		†	No
Florida	225	230	-5.6	*	1.32	Yes
Georgia	218	215	3.1		1.83	No
Hawaii	239	247	-7.8	*	1.38	No
Idaho	213	207	5.5		2.89	No
Illinois	207	–	†		†	No
Indiana	229	225	4.1	*	1.10	No
Iowa	221	219	1.7		1.36	Yes
Kansas	217	218	-0.9		2.44	No
Kentucky	223	–	†		†	No
Louisiana	221	223	-1.7		1.24	Yes
Maine	234	249	-14.3	*	1.20	No
Maryland	208	215	-7.0	*	1.40	Yes
Massachusetts	255	255	-0.3		1.12	Yes
Michigan	200	222	-22.2	*	1.85	No
Minnesota	233	–	†		†	No
Mississippi	223	206	16.9	*	1.44	No
Missouri	246	242	3.4	*	1.28	No
Montana	235	220	14.2	*	1.35	No
Nebraska	–	–	†		†	No
Nevada	225	–	†		†	No
New Hampshire	237	–	†		†	No
New Jersey	231	221	10.2	*	2.02	No
New Mexico	236	232	4.0	*	1.67	Yes
New York	207	207	0.1		1.72	No
North Carolina	220	203	17.5	*	1.49	No
North Dakota	225	224	1.3		1.21	Yes
Ohio	219	233	-13.2	*	1.32	No
Oklahoma	228	218	9.6	*	1.32	No
Oregon	214	–	†		†	No
Pennsylvania	218	–	†		†	No
Rhode Island	231	–	†		†	Yes
South Carolina	215	246	-31.2	*	1.30	No
South Dakota	224	–	†		†	Yes
Tennessee	195	200	-4.1	*	1.82	Yes
Texas	214	219	-5.0	*	1.37	Yes
Utah	225	–	†		†	Yes
Vermont	236	–	†		†	Yes
Virginia	213	–	†		†	No
Washington	243	236	8.0	*	1.00	Yes
West Virginia	225	215	10.8	*	1.30	No
Wisconsin	219	224	-5.8	*	1.83	Yes
Wyoming	226	251	-25.2	*	1.01	No
– State assessment data not available.
† Not applicable.
* Statistically significant at p<.05.
¹State 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 3b.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 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)