TV ads in GOP presidential primary are increasingly negative

Source: Center for Public Integrity analysis of data from Kantar Media/CMAG covering TV ads aired between Jan. 1, 2015, and Feb. 15, 2016.

Note: Kantar Media/CMAG tracks ads on broadcast television and national — but not local — cable. Negative ad total includes spots that contrast multiple candidates and typically cast at least one in a disparaging light.