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Reaction times – a reliable marker of general intelligence – have declined steadily since the Victorian era from about 183 milliseconds to 250ms in men, and from 187ms to 277ms in women. The slowing of our reflexes points to a decrease in general intelligence equivalent to 1.23 IQ points per decade since the 1880s or about 14 IQ points overall, researchers said. Dr Michael Woodley, who led the study published in the Intelligence journal this month, identified the trend by comparing reaction times from trials conducted by Victorian scientists against those carried out in recent decades.
Originally posted by Sinter Klaas
Maybe a weird question, but how old would have you be, when you graduated the 8th grade ?
Originally posted by LABTECH767
reply to post by Lady_Tuatha
... the Victorians had a saying "Spare the child not the rod" ...