The Dunning-Kruger effect is a rare psychological concept that has achieved pop culture fame. David Dunning -- the lead author and one of the world’s most-cited psychologists -- joins Adam to discuss his famous findings about the arrogance of ignorance, the challenges of knowing what you don’t know, and the dangers of “doing your own research.” Then David and Adam uncover strategies for overcoming overconfidence among amateurs as well as experts.Transcripts for ReThinking are available at go.ted.com/RWAGscripts