Every four years, U.S. presidential campaigns collectively spend billions of dollars flooding TV screens across the country with political ads. But a new study shows that, regardless of content, context, or audience, those pricey commercials do little to persuade voters.
Political ads have little persuasive power, study finds
Every four years, U.S. presidential campaigns collectively spend billions of dollars flooding TV screens across the country with political ads. But a new study shows that, regardless of content, context, or audience, those pricey commercials do little to persuade voters.