[A]rchaeological evidence now shows that some of the behaviors associated with modern humans, most importantly our capacity for wide behavioral variability, actually did occur among people who lived very long ago, particularly in Africa. And a conviction is growing among some archaeologists that there was no sweeping transformation to "behavioral modernity" in our species' recent past. […]
Documenting and analyzing behavioral variability is a more theoretically sound approach to studying differences among prehistoric people than searching for the transition to behavioral modernity. Nearly everything humans do, we do in more than one identifiably different way.