Tag Archives: Confirmation Bias

Trump, Brexit, Renzi – The result of evil big data geniuses or just Confirmation Bias at work ?

This is a somewhat “off-topic” post but at the end there will be a turn to investing, I promise !!!

Background:

A Swiss magazine published an article on the Weekend, where a “Data scientist” claimed that a method that he developed had made Donald Trump President.

This method, which claims to identify (and of course influence) people by 5 basic character traits was used by a company called “Cambridge Analytica” in order to secure Trump’s victory. And by the way, they were responsible for Brexit too. The article seems to be quite popular, I received the link 5 times over the weekend from very different sources

There are a couple of Youtube videos about Cambridge Analytica, for instance here. But there is a longer one which is more interesting

In the video from September, they are claiming that they managed to make Senator Cruz popular from scratch. They also claim that they can segment down to very small groups and deliver them the right message in a way that will more or less “guarantee” results. As an example they showed how they targeted very small sub groups in Iowa with targeted ads about guns to make them vote for Cruz in the caucus.

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