第一类错误又称Ⅰ型错误、拒真错误,是指拒绝了实际上成立的、正确的假设,为“弃真”的错误,其概率通常用α表示。假设检验是反证法的思想,依据样本统计量作出的统计推断,其推断结论并非绝对正确,结论有时也可能有错误,错误分为两类。
非原生语言使用者的第一类错误是返回一个表示错误的值,而不是抛出异常。
The first mistake that nonnative speakers make is to return a value indicating an error, instead of throwing an exception.
在很多时候,我们往往只注意第一类错误的控制,而对于第二类错误经常不考虑。
In many cases, we tend to only pay attention to the control of the first type of error, while the second type of error often being not considered.
可以认为,第一类错误由检验中的实际推断原理引起,第二类错误由检验中的逻辑谬误引起。
It is to be proposed that the first type of mistake is caused in testing by certain principles of inference and the second type is caused in testing by logical errors.
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