Washington (CNN) - Remember all those negative campaign commercials during the presidential primaries?
Well guess what: Now that the general election's underway, the television ads have been much more positive.
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According to Kantar Media/Campaign Media Analysis Group, which tracks political ad spending, 51% of broadcast TV spots in the race for White House have been positive, while 49% have been negative, since April 10. That's the day former Sen. Rick Santorum of Pennsylvania suspended his presidential campaign. Santorum was former Massachusetts Gov. Mitt Romney's main rival for the Republican presidential nomination, and when he left the race, Romney became the presumptive GOP nominee.
The spots counted in the CMAG data include ads by the campaigns, party committees and independent groups.
"We may look back in November and see that 2012 was the most negative campaign ever, but thus far, that's not the case. Since the Republican primary dust settled, the early phase of the general election air war has been marked by a basically even tonal split," CMAG Vice President Elizabeth Wilner told CNN.
That 51%-49% positive to negative ratio is a world of difference from the primaries. According to a political advertising analysis by the Wesleyan Media Project (which used CMAG data), 70% of presidential campaign commercials that ran during the primaries, from the start of last year through mid-April, were negative in nature.
Contrast those figures to 2008 when less than one-in-ten of the ads that ran during the same time period criticized an opponent.