September 2013
Beginner
320 pages
6h 20m
English
Content preview from 101 Business Ideas That Will Change the Way You Work
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IDEA #44
If you can’t measure it, it’s likely to be rubbish
Statistical or mechanical predictions trump clinical or intuitive ones.
What you need to know
In 1954 the psychologist Paul Meehl published a groundbreaking book that transformed our understanding of the accuracy and nature of predictions and assessments. Meehl analysed the findings of 20 studies that compared the accuracy of clinical predictions (based on a subjective assessment of a topic, usually incorporating a wide variety of inputs – for instance, judging an essay-writing competition is largely a ‘subjective assessment’) against statistical predictions (formed from ratings ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.