lesbian couples to enter into legal agreements with each other that would give them many of the same rights as married couples? (Margin of error three percent) Date Favor Oppose Unsure July 13–17, 2005 53% 40% 7% August 5–10, 2004 48% 45% 7% July 2004 49% 43% 8% March 2004 49% 44% 7% October 2003 45% 47% 8% A further Pew study in March 2006 found that 51% oppose same-sex marriage, with 39% supporting it, and the level of "strongly opposing" same-sex marriage has fallen from 42% to 28%. [ 64 ] Pew's May 2008 Survey found that for the first time, a majority of people do not oppose same-sex marriage at 49%. 20% oppose and 29% Strongly oppose same-sex marriage, up 1% from the March 2006 Pew Research Results. [ 63 ] Commentators have noted instances where polling data has understated voter support for referendums banning same-sex marriage; [ 65 ] some have suggested that there may be a variation of the " Bradley Effect " in which individuals opposed to same-sex marriage are reluctant to express their true views to pollsters. [ 65 ] In 2010, a study by an assistant professor at New York University analyzed the previous 10 years of polling data and election results. He concluded that "Polls on gay marriage ballot initiatives generally under-estimate the opposition to gay marriage by about seven percentage points" and that the "Bradley Effect" was not a factor in the difference between the polls and the election outcomes. When