March 13, 2018: langs themselves: the skillset of a chinese-english bilingual differs from that of a. Opposing trends in diversity of langs: many small indigenous langs are fading out/dying (esp. Southern australia: unpopular lang structures affects popularity, south australia was not subject to elimination during european colonization (northern australians migrated south to evade colonization, revival of langs (ex. Commonalities used as the basis for lang universals: typological patterns (word order vs pre/post-positions) cluster by type, along with word-order preference, greenberg"s ling universals, though there are violations, applies to most languages, ex. Universal 17: with overwhelmingly more than chance freq, langs with. Vso have adj after noun: statistical universal. In phase 3: subjects had to produce phrases with adjs, and #s. awarded points for matching vocab and ordering of alien informant". Semantic diversity: word colour survey: variation in # of categories for colours.