When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Author: David F. Armstrong, William C. Stokoe, Sherman E. Wilcox. They go on to examine the implications of their findings for linguistic theory and theories of the biological evolution of the capacity for language.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.