An animated lesson from TED-Ed on the psychology behind irrational decisions.
People often make decisions that go against their best interests, or, despite good intentions, lead to disappointing results. Sara Garofalo explains how heuristics, the problem-solving approaches based on previous experience and intuition rather than analysis, affect our decision making.
If you want to know more about the TED-Ed project check out their site here. There are lots of fantastic lessons on their YouTube channel, too.