Scott Page has written a book that offers apragmatic defence of diversity practices, where having a diverse set of points of view in a group equates to better decision making. Page argues that individuals build their perspectives and interpretations towards quite different predictive models. When individuals have different perspectives and/or interpretations, and when they communicate with each other, they will arrive at better solutions than they might have done by themselves. In addition, groups composed of diverse individuals are usually able to outperform groups of 'experts'. This is mainly because most experts tend to be quite alike in their mentality and approach, so they often converge on the same solution while heterogeneous agents have a better chance of coming up with other, superior solutions.
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