unit one research and methodology text a why teach research ethics text b the nature of inquiry unit two language text a learn by touch text b world englishes unit three culture text a the values americans live by text b culture shock unit four economy text a opportunity cost text b economic outlook unit five literature te a horseman in the sky text b why a classic is a classic unit six medicine text a it doesnt have to be sad: the life of a hospice nurse text b why relatives do not donate organs for transnts: "sacrifice" or "gift of life" unit seven management text a leadership strategy jack welch or napoleon bonaparte? text b pricing and the ychology of consumption unit eight education text a the mooc bubble and the attack on public education text b universities and their function words and expressions