Politicians, advertisers, and frontporch gossips know that merely repeating an opinion is one way to strengthen its grip on the public’s mind. A series of studies in the May 2007 Journal of Personality and Social Psychology demonstrates why: “Repetition of the same opinion gives rise to the impression that the opinion is widely shared – even if all of the repetitions come from the same single communicator,” says Kimberlee Weaver of Virginia Tech, the article’s lead author. Because seemingly...

Want more? Sorry, the full text of this article is only available to subscribers. Subscribe now.

Already a subscriber? Please log in by entering your email address and password into the red login box at the top-right corner of this page.

Need to register for your premium online access, which is included with your paid subscription? Register here.

Tracker Pixel for Entry