Like any placebo, it must be dispensed with authority to be effective.
就像任何安慰剂一样，它只有在权威指导下（使用）才能发挥效用。
The placebo group is the same.
安慰剂组服法同治疗组。
And a third group received a placebo.
第三群人吃的则是安慰剂。
Some took fish oil, others a placebo.
其中一些人服用鱼油，另一些服用安慰剂。
The other half were given a placebo.
另一半服用安慰剂。
The fourth will take two placebo pills.
第四组服用两片安慰剂。
This is what is known as the placebo effect.
这就是众所周知的安慰剂效应。
The bottle even had "placebo" printed on it.
甚至把“安慰剂”印在药瓶上。
药物没有安慰剂效用。
The placebo effect's been well-documented.
文件记载表明，安慰剂的效果一直良好。
The placebo effect's been well-documented.
安慰剂效果证据充分。
It was only a placebo, a harmless substance.
它仅仅是一组服用安慰剂，一种无害的物质。
But it was only a placebo, a harmless substance.
但是那只是一片安慰剂，一种无害的物质。
The placebo group only lost an average of 2 lbs.
而另一组仅仅减掉2磅。
Such trialswould not necessarily require a placebo arm.
这样的研究并不必然需要安慰剂组。
Placebo may work even if patients know it is a placebo.
或许即使病人知道它只不过是安慰剂，也能产生安慰剂效应。
This widely known theory is called the placebo effect.
这个众所周知的理论被称为安慰剂效应。
The placebo has an important place in medical research.
安慰剂在医学研究中占有重要地位。
The placebo group took higher rescue medication as well.
安慰剂组术后使用止痛药更多。
It was a placebo controlled trial. And it shows this benefit.
这是一个安慰剂对照的试验，得到获益的结果。
The control group were treated with sham operation and placebo.
正常对照组行假手术后，每日皮下注射等量生理盐水。
The placebo has been found to work with a lot of different cases.
人们已发现安慰剂能在很多不同的病例中发挥作用。
Those who responded were assigned to more of the drug or a placebo.
治疗后有反应的患者是药物用量过大或者使用了安慰剂。
The rest received a "dummy" placebo pill with no active ingredients.
剩下的一半志愿者则每天服用一颗“假的”没有有效成分的安慰剂。
The answer is the "gold standard" double blind, placebo controlled study.
答案是“金标准”，双盲，安慰剂对照研究。
there was no convincing evidence that homeopathy was superior to placebo.
没有令人信服的证据表明顺势疗法优于安慰剂。
The drug is proven effective if it performs better than the placebo.
如果药品比安慰剂表现好，则证明药品有疗效。
They were randomly assigned to either a treatment group or a placebo group.
他们被随机安排到治疗组和安慰剂组。
They were randomly assigned to either a treatment group or a placebo group.
他们被随机安排到治疗组和安慰剂组。
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