The Easiest Person to Fool

Physicist Richard Feynman once said, “The first principle is that you must not fool yourself, and you are the easiest person to fool.” One way we fool ourselves is by imagining we know more than we do; we think we are experts. This week on Hidden Brain, psychologist Adam Grant describes the magic that unfolds when we challenge our own deeply-held beliefs.

Additional Resources

Think Again: The Power of Knowing What you Don’t Know, by Adam Grant, February 2021

The Effects of Conflict Types, Dimensions, and Emergent States on Group Outcomes,” by Karen Jehn, Lindred Greer, Sheen Levine and Gabriel Szulanski, in Group Decision and Negotiation, April 2008.

”The Effective Negotiator- Part 1: The Behavior of Successful Negotiators” and The Effective Negotiator-Part 2: Planning for Negotiations, by Neil Rackham and John Carlisle, in Journal of European Industrial Training, l978 

Psychological Safety and Learning Behavior in Work Teams,” by Amy Edmondson in Administrative Science Quarterly, June l999 

Social functionalist frameworks for judgment and choice: intuitive politicians, theologians, and prosecutors,” by Philip Tetlock in Psychology Review, 2002 

Refusing to apologize can have psychological benefits (and we issue no mea culpa for this research finding)”, by Tyler Okimoto, Michael Wenzel and Kyli Hedrick n European Journal of Social Psychology, November  2012


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