"When members of deliberating groups speak with one another, their predeliberation tendencies often become exacerbated as their views become more extreme. The resulting phenomenon -- group polarization -- has been observed in many settings, and it bears on the actions of juries, administrative...

Many studies find that presentation of balanced information, offering competing positions, can promote polarization and thus increase preexisting social divisions. We offer two explanations for this apparently puzzling phenomenon. The first involves what we call asymmetric Bayesianism: the same...

According to a standard principle in free speech law, the remedy for falsehoods is "more speech," not enforced silence. But empirical research demonstrates that corrections of falsehoods can actually backfire, by increasing people's commitment to their inaccurate beliefs, and that presentation...