Boyd and Richerson argue that the evolution of cumulative culture depends on observational learning and is uncommon in other species because it is ineffective when it is rare in a population.
英
美
- 博伊德和里查森強調，累積文化的進(jìn)化取決于觀(guān)察學(xué)習，而累積文化的進(jìn)化在其他物種中是少見(jiàn)的；因為當觀(guān)察學(xué)習在群體中少見(jiàn)時(shí)，觀(guān)察學(xué)習是效率低的。
