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Chris McManus

Chris McManus, Professor of Psychology and Medical Education at University College London, is the author of Right Hand, Left Hand: The Origins of Asymmetry in Brains, Bodies, Atoms and Cultures.

Reckoning the Odds

Chris McManus, 17 October 2002

The sales of a company fall by 50 per cent between January and May. Between May and September sales increase by 60 per cent. Is the company in better shape in September than it was in January? Down by 50 per cent and up by 60 per cent sounds like an overall 10 per cent gain. But it’s not.

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