A lot of lists are lists of 10, or some multiple thereof, given that the majority of humans have grown up using the decimal system. However, short-term memory, or "working memory" as it's known to psychologists, has an average capacity of 7 (+/-2). This means you can hold an average of 7 "things" in your short term memory. These can be letters, words, or even sentences, as long as they count as one "thing". This is the limit of your short term memory. These things can be transferred to the long term memory if you rehearse or encounter them enough, but this means that if you try to remember everything on this list to tell someone about later, you'll be unable to recall 3 items on average. This bit might be one of them, which would be ironic.
许多清单都列出十项事情,或是十的倍数,因为大多数人类已经进化到使用十进制。然而,如心理学家所知,短时记忆或“工作记忆”的平均存储能力是7(+/-2)。这就意味着,在短时记忆中,你可以平均记住七项“东西”。它们可能是字母、单词、甚至是句子,只要能算作是一样“东西”。这是你短时记忆的极限。如果你重述或看到它们的次数足够多,这些东西就可以转化成长期记忆,但是这意味着,如果你试图记住本文列出的所有东西以便转述给别人,平均算起来,有三样东西你可能想不起来。这一段可能就是其中之一,真是有够讽刺的。
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