What we call a quasi-experimental design, does incorporate a control group but there is no randomization.

我们所谓的准实验设计，确实包含了一个对照组，但没有机。

The idea is to randomise the starting positions of the non-pawn pieces.

这个想法是机非棋子的起始位置。

I said that's not randomization like a candle.

我说那不是像蜡烛那样的机。

But in principle, there's another way to achieve randomization.

但原则上，还有另一种方法可以实现机。

Then randomize the order again and repeat the measurement.

然后再次机顺序并重复测量。

What's the other way you could achieve randomization?

您还可以什么其他方式实现机？

That's one way to achieve randomization: you could have it done centrally.

这是实现机的一种方法：你可以集中完成它。

But it won't have been some central authority doing the randomization.

但不会是由某个中央权威机构来进行机。

In some cases you may be able to reduce this problem by randomizing the order of related questions.

在某些情况下，您可以机相关问题的顺序来减少此问题。

And the new type of strategy is to randomize over your existing strategies.

型策略是对现有策略进行机。

The next layer, might contain some technical details, such as the randomization scheme and what statistical tests were used.

下一层可能包含一些技术细节，例如机方案和使用的统计测试。

It is a randomization over your pure strategies.

这是对纯粹策略的机。

And we're going to expand your actual available choices to include all randomizations over those.

我们将扩展您的实际可用选择, 以包括所有这些机。

So here we've been discussing randomization in these settings in the following form.

因此，我们在这里以以下形式讨论这些设置中的机。

And we know, based on now the Mendelian randomization trials, that the risk of LDL is more of like a lifetime exposure risk.

而且根据现在的孟德尔机试验， 我们知道，LDL 的风险更像是一生的暴露风险。

Now, however, as soon as we introduced the idea of individual randomization we've gone a little bit beyond where we got to in the class.

然而现在，我们一引入个体机的想法，就稍微超出了课堂上的范围。

So randomization or more dramatic things like bussing are policies arrived at really because we know of the existence of these models.

因此，机或更具戏剧性的事情（如公交车）实际上是由于我们知道这些模型的存在而制定的政策。

Programs can also randomize the memory location of variables, like our hypothetical " is admin" flag, so that hackers don't know what memory location to overwrite, and are more likely to crash the program than gain access.

程序还可以机变量的内存位置，就像我们假设的“是管理员”标志，这样黑客就不知道要覆盖哪个内存位置，并且更有可能使程序崩溃而不是获得访问权限。

I'm allowing you mixed strategies now; I'm allowing you to randomize--if I allow you to randomize over your pure strategies, I'm allowing you to play mixed strategies, what's the mixed strategy we think people are going to play?

我现在允许你采用混合策略；我允许你机——如果我允许你机你的纯策略，我允许你采用混合策略，我们认为人们会采用什么混合策略？