A recent article by Ernest O’Boyle and Herman Aguinus (2012) challenges the ubiquity of the bell-shaped curve as a description of human performance. These researchers looked at a large variety ...

Human performance, by this account, does not often fit the bell curve or what scientists call a normal distribution. Rather, it is more likely to fit what scientists call a power distribution.

The Bell Curve Is A Myth — Most People Are Actually Underperformers By Michael B Kelley 2012-05-04T13:42:00Z ...

I can only recognize the occurrence of the normal curve … as a very abnormal phenomenon. — Karl Pearson (1901) Widely believed and rarely questioned is the notion that human characteristics ...