“Intuition can encourage opinions that are contrary to the facts.”
Strongest opponents of GM foods know the least but think they know the most
“The extremists are more poorly calibrated. If you don’t know much, it’s hard to assess how much you know,” Fernbach added. “The feeling of understanding that they have then stops them from learning the truth. Extremism can be perverse in that way.”
The finding has echoes of the Dunning-Kruger effect, the observation from social psychology that incompetence prevents the incompetent from recognising their incompetence.