Are We In Control Of Our Decisions? | Dan Ariely | TED Talks

Are we in control of our own decisions? Are humans rational beings? Are we as rational as we think we are?

Behavioural economist Dan Ariely, the author of Predictably Irrational, uses classic visual illusions and his own counterintuitive (and sometimes shocking) research findings to show how we're not as rational as we think when we make decisions.