Link
"The intelligence of 11-year-olds has fallen by three years' worth in the past two decades."' 3 years loss at age 11 is an IQ of 100*8/11 or 73 -- a massive loss of 27 points. This appears to blow 'a gaping hole' in what has been called The Flynn Effect: that IQs have been rising in most parts of the world -- particularly the developed countries.