We all experience moments when it's hard to speak up - whether it's at work, in our relationships, or out in a public with a stranger. Business psychologist Adam Galinsky shows research and shares helpful tips on how to find your voice when it matters most, and to advocate for others who need it.

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx