The Wisdom of Crowds

The development of knowledge may depend on maintaining an influx of the naive and the ignorant, and…competitive victory does not reliable go tot he properly educated. Groups that are too much alike find it harder to keep learning.

The Wisdom of Crowds

I could find no studies that showed an important advantage for expertise.

The Wisdom of Crowds

Number of studies have concluded that non psychologists, for instance, are actually better at predicting people’s behavior than psychologists are.

The Wisdom of Crowds

Experts decisions are seriously flawed. They are more likely to disagree as to agree.

The Wisdom of Crowds

Medical pathologists judgments was just .5, meaning that a pathologist presented with the same evidence would, half the time, offer a different opinion.

The Wisdom of Crowds

Physicians, nurses, lawyers, engineers, entrepreneurs, and investment bankers all believed that they knew more than they did.

The Wisdom of Crowds

Independence of opinion is both a crucial ingredient in collectively wise decision and one of the hardest things to keep in tact.

The Wisdom of Crowds

The smartest groups are made up of people with diverse perspectives who are able to stay independent of each other.

The Wisdom of Crowds