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Knowledge and know-how in the Oldowan: an experimental approach
of the knapping task. However, these results also might suggest that, given
the indications of more extensive reduction among experienced knappers, at
least some individuals with experience are reducing their cores in such a way
as to have minimal impact on linear dimensions.
highly atypical choice of a cobble weighing in excess of 1 kg. Novices would
be expected to choose lighter cobbles, which tend to be easier for a learner
perienced knappers reduced their cores more intensively.
Advanced knappers vs. all others
Advanced knappers stand out even more than do novices when compared
The pattern noted for the previous comparison holds here, with the addi
tion of original percent cortex, maximum dimension, length, edge angle,
the other subjects. Combined with the results to be discussed concerning
platform scars, this result suggests that advanced knappers were choosing
overlooked by the intermediate knappers (novices lacked this knowledge en
tirely). (Given the size of the difference in absolute terms, it is unlikely that
this difference in cobble choice had a measurable effect on other variables.)
As noted for the previous comparison, much of the difference between
these two groups is related to reduction intensity, this time even more strik
per core. Additionally, in terms of linear dimensions, their cores have smaller
maximum dimension and length measurements; this suggests, along with
the results mentioned above, that it is the intermediate knappers who are
reducing cores in such a way as to leave all linear dimensions similar to
novices. All of the above points to advanced knappers achieving the greatest
reduction intensity.
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