The expectation is that there should be a great discrepancy between the medicated group and the control group (placebo) in the relief of symptoms being reported.

期望是得到给药组和对照组（安慰剂）关于症状缓解之间巨大差异的报告。

youdao

Regrettably, they did not include a control group and did not entertain the possibility of placebo effects.

令人遗憾的是，他们并没有包括控制组，也没有考虑安慰剂效应的可能性。

youdao

Without the use of a control group it would be impossible to know what percentage of people report benefits due to receiving the drug rather than benefits due to a placebo effect.

如果不进行实验对照，很难知道人们声称的吃药的疗效比不吃药的安慰剂效应的疗效多百分之多少。

youdao

So, you didn't know at the beginning, you knew you were enrolled in the trial, they gave you a shot, you didn't know whether you were part of the real group that got the test vaccine or the placebo group that got the control; turned out that Bonnie was part of the control group.

一开始你可能不清楚全过程,你只知道你参与了一项试验,他们给你打了一针,你不知道你是属于接种了,试验疫苗的真实试验组,还是属于被注射了安慰剂的空白对照组,结果显示,邦妮属于对照组

耶鲁公开课 - 生物医学工程探索课程节选

The curcumin arthritis studies have a major flaw: Neither included a placebo, or control group, says rheumatologist David Felson, who directs an arthritis research team at Boston University School of Medicine.

WSJ: Flavor in Curry Favored by Some for Joint Pain

One such, carried out in the British city of Durham, was controversial in that it was funded by a maker of children's omega-3 supplements and did not include a control group being given a placebo.

ECONOMIST: Eat your way to a better brain

The result was that three-quarters of the treated group did not relapse into depression: a success rate twice as high as that of the 20 patients in the control group, who received a placebo regimen.

ECONOMIST: People, like all living things, are four dimensional