Elizabeth Warren.................................................................................... 46%
Scott Brown ............................................................................................ 46%
Methodology
The Massachusetts Statewide Voter Survey was conducted by Harstad Strategic Research, inc, the national public opinion research firm in Boulder, Colorado. The results of this survey are based upon 502 random telephone interviews among likely 2012 voters in Massachusetts. The random sample was drawn from the Massachusetts voter list and interviews were conducted from May 8-10, 2012. This random sample of 502 has a worst-case 95% confidence interval of plus or minus 4.4% about any one reported percentage.
http://big.assets.huffingtonpost.com/HarstadMA.pdf
