Golfer Tiger Woods has been named the worst celebrity endorsement of 2010.
According to a US study,titled “Celebrity Advertisements: Exposing a Myth of Advertising Effectiveness”,Woods was the worst celebrity spokesman last year with his endorsement of Nike,reports News.com.au.
TV advertisements featuring Woods lifted the value of a campaign by minus 30 per cent,the study by Ace Metrix,who measure television advertising effectiveness,revealed.
The talk show diva Oprah Winfrey has been named the top celebrity spokesperson of the year with her endorsement of Liberty Mutual.
The study,which tested more than 2600 television ads in 2010,found the best endorsement was Peyton Manning,quarterback for the Indianapolis Colts.