By Olivia Goldhill – If you’ve ever found yourself unable to halt someone else’s idiotic plans once they were already in motion, you’re not alone. Whether you’re a politician trying to make congress see sense or simply a manager trying to halt an atrocious team-building plan, there’s simply no foolproof way to kill a terrible idea.
Russell Blackford blames the momentum behind bad ideas on cascade effects. Yes, individuals are prone to making poor decisions for emotional or biased reasons (known as “cognitive heuristics”) and this irrationality is part of the problem. But there’s also a broader sociological issue, in that others’ opinions carry a huge amount of weight in influencing our views. A cultural consensus—even without proper evidence—can form pretty quickly.
If one person convinces a second, says Blackford, then a third person will be far more likely to agree with the majority view. more> https://goo.gl/9nJRpk