We see it in its extreme in cases of war, where the out-group isn't merely given less, but dehumanized, as in the Nazi perspective of Jews as vermin or lice, or the American perspective of Japanese as rats.
极端的例子通过战争展现， 外群体不是被轻视 而是被不当作人类对待， 如同纳粹视犹太人为 害虫或是虱子， 美国人视日本人为老鼠。