“He studied belief perseverance, or the tendency of people to dig in when presented evidence contrary to their convictions. He also coined the term false consensus effect to describe how people often overestimate how common their beliefs are – particularly dangerous in those who hold extremist views.”

“He studied belief perseverance, or the tendency of people to dig in when presented evidence contrary to their convictions. He also coined the term false consensus effect to describe how people often overestimate how common their beliefs are – particularly dangerous in those who hold extremist views.”

— Susannah Cahalan