Someone told me recently, "men have seven times more grey matter in their brains than women, women have ten times more white matter than men".
I was sure this absolutely startling statement couldn't be true -- and when I checked, it was not -- but I think it could have both accurately remembered and quoted. The trouble is, the original paper didn't say that, but it had been mangled in some reports (4).
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Update June 2019: I turned this blog post into an article, which is a bit more up to date: http://sheu.org.uk/sheux/EH/eh372dr.pdf I was particularly interested to hear the exchanges on a BBC programme: https://www.bbc.co.uk/programmes/w3cstygs |
This is something of an accidental blog post. We were asked recently for some information about young people, which I misinterpreted as asking about differences between local authorities.
I always learn things from listening to the radio. On 'The Infinite Monkey Cage', I heard Brian Cox rattle off a 'rule of thumb', which goes something like:
A number plus or minus the square root of the sample size is consistent with random sampling error.
https://www.bbc.co.uk/programmes/b04yfsst (listen from 20 minutes in)
I hadn't heard that one, but deploying those key research tools, the back of an envelope and a pencil, I could see where it comes from.
This is a test page for exploring colour schemes kinder to people with colour vision anomalies.
Test