We are drawn to those who echo what it is we already believe. We get a dopamine rush when we are presented with confirming data similar to what we get when we eat chocolate or fall in love. On Facebook we defriend those with different political views to our own. On Twitter we follow people just like us.
Yet a vast body of research now points to the import of contemplating diverse, dissenting views. Not just in terms of making us more rounded individuals but in terms of making us smarter decision-makers.
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