Many professions have gone further than teaching in encouraging interstate mobility. The requirements for attorneys, for example, are complicated, but often offer certain kinds of flexibility, such as allowing them to answer a small set of additional questions. See the Comprehensive Guide to Bar Admissions Requirements 2007
, published by the National Conference of Bar Examiners and the American Bar Association, available at:http://www.ncbex.org/
On the similarity in effectiveness between graduates of traditional and alternative programs, see J. Constantine, D. Player, T. Silva, K. Hallgren, M. Grider, and J. Deke, An Evaluation of Teachers Trained Through Different Routes to Certification, Final Report. National Center for Education Evaluation and Regional Assistance, Institute of Education Services, U.S. Department of Education (2009), D. Boyd, et al. "How Changes in Entry Requirements Alter the Teacher Workforce and Affect Student Achievement." Education Finance and Policy, (2006). T. Kane, J. Rockoff, and D. Staiger. "What Does Certification Tell Us About Teacher Effectiveness? Evidence from New York City." National Bureau of Economic Research. (2006), G. Henry and C. Thompson, "Impacts of Teacher Preparation on Student Test Scores in North Carolina." Teacher Portals. University of North Carolina (2010). Z.Xu, J. Hannaway and C. Taylor, "Making a Difference? The Effects of Teach for America in High School." The Urban Institute/Calder. (2009), D. Boyd et al "Recruiting Effective Math Teachers, How Do Math Immersion Teachers Compare? Evidence from New York City." Calder Institute (2009); as well as "How Changes in Entry Requirements Alter the Teacher Workforce and Affect Student Achievement," by Donald Boyd, Pamela Grossman, Hamilton Lankford, Susanna Loeb, and James Wyckoff, National Bureau of Economic Research, December 2005; and "The Effects of Teach For America on Students: Findings from a National Evaluation," (Mathematica Policy Research Inc., 2004).