Download DbUnit: Puts your database into a known state between test runs.

下载DbUnit：在运行测试时，将数据库置于已知的状态。

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If your tests are repeatable, the differences between test results should be minimal.

如果测试是可重复的，那么测试结果之间的差异应该是极小的。

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DbUnit is a JUnit extension that places your database into a known state between test runs.

DbUnit是一项JUnit扩展，它在每一次运行测试之前，使数据库处于一种已知状态。

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"What we showed is that for students who are highly test-anxious, who'd done our writing intervention, all of a sudden there was no relationship between test anxiety and performance.

VOA: special.2011.01.20

Now be honest, how many of you in a blind taste test can taste the difference between ordinary Coke and ordinary Pepsi?

老老实实,你们谁能在不知道的情况下尝出,可口可乐和百事可乐的不同

耶鲁公开课 - 博弈论课程节选

Now, I know you've had all this bonding in the orientation period, but I think that it's much better when you write a test for there to be some solid state defects known as vacancies in between the various people.

现在，我知道你们关系很融洽,在互相介绍的时间里，但是我想这样会更好,当你们在一起做一个测试,成为固体化学的不良产品,成为众多人当中的缺位。

麻省理工公开课 - 固态化学导论课程节选

Second, adjust the statistical results downward to account for differences between test conditions and the real world.

ECONOMIST: Aircraft fatigue

For now the correlation between test results and course performance is .45 (roughly the same as between SAT scores and college GPA).

FORBES: Can An Hour-Long Aptitude Test Predict Startup Home Runs? Adeo Ressi Thinks So

Assuming the relation between test scores and future growth is indeed causal, the OECD study also works out the economic benefits of improving cognitive skills by the equivalent of nine months' worth of schooling.

ECONOMIST: Spending on education