What are school tests trying to measure?

I’ve just started reading The Lady Tasting Tea, the story of statistics in/and modern science. But one of the early examples has gotten me thinking – how would a scientist go about testing the general intelligence/retained knowledge of a group of students? Given: Whatever we measure is really part of a random scatter, whose probabilities […]

Everyone wants to be the hero

Whenever there’s an economic incentive to get people to believe something, you’re going to find organizations doing their best to get out the evidence that supports their case. But they may not think of themselves as propagandists. They may simply be engaging in the kind of motivated reasoning that all of us engage in. They’re […]

Working with diverse teams

The notion that diverse teams come up with more creative solutions (or at least ones that better reflect a diverse audience/customer base) seems to be pretty widespread. But how does it work in practice? Some interesting research out of America suggests that “political correctness” may be necessary to make it work: Our research shows that […]

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