In their report, Lewandowsky and colleagues offer some strategies for setting the record straight.
* Provide people with a narrative that replaces the gap left by false information
* Focus on the facts you want to highlight, rather than the myths
* Make sure that the information you want people to take away is simple and brief
* Consider your audience and the beliefs they are likely to hold
* Strengthen your message through repetition
MORE: http://www.sciencedaily.com/releases/2012/09/120919191212.htm