One of them is we have better reporting. The Associated Press is a better chronicler of wars over the surface of the Earth There's a cognitive illusion. We cognitive psychologists know that the easier it is to recall specific instances of something, the higher the probability that you assign to it.
其一是有了更多的媒体报道。“在这个世界上， 美联社是比16世纪的僧人 更好的战争编年体作者。” 有这样一个认知幻觉：我们认知学家知道 越容易回忆一些具体的事情， 你就越容易去做。