yes, and there were other scales with other std deviations, decades ago. but that really shouldn't be a headline any more. to me the 210 simply signals a cer

yes, and there were other scales with other std deviations, decades ago. but that really shouldn't be a headline any more. to me the 210 simply signals a certain distance of the author to the topic. that may be unjust, but I can't help it.