“Socially, that can be very threatening,” Liljenquist says. “These folks are driven to say, ‘Wait, the fact that I disagree with this outsider doesn’t make me weird. Something more is going on here; let’s figure out what’s at the root of our disagreement.’ The group then tends to analyze differing opinions and critical information much more thoroughly, and that facilitates much better decision-making results.”

Isn’t agreement–not disagreement–with the outsider what creates the dissonance experience?