When is a handaxe a planned-axe? exploring morphological variability in the Acheulean.

PLoS One · 2024 · PMC11251633 · PMID 39012913

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highly significantp = 1.2889E-128actually significant

Changes to plan shape Throughout the entire handaxe sample, the correlation between tip length and PC1 ( Fig 14 ) is highly significant (r = .642, p = 1.2889E-128), supporting an allometric relationship between handaxe shape and size.

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