n.(给无实际治疗需要者的)安慰剂，(试验药物用的)无效对照剂

原形：placebo复数：placebos

The placebo effect is a phenomenon where patients experience improvement in their condition simply because they believe they are receiving treatment.
其中文释义是：安慰剂效应是指患者仅仅因为相信自己正在接受治疗，而体验到病情改善的现象。
The clinical trial included both a placebo group and an experimental drug group for comparison.
这个临床试验包含了安慰剂组和实验药物组进行对比。
She was skeptical about the effectiveness of the new pain medication, so she requested a placebo instead.
她对新止痛药的效果持怀疑态度，所以她要求得到安慰剂。
The patient's response to the medication was purely placebo; there were no actual improvements in their condition.
患者对药物的反应完全是安慰剂效应，他们的病情实际上并没有改善。
The placebo-controlled study showed that the alternative therapy had no significant impact on the patient's symptoms.
在安慰剂对照研究中，发现替代疗法对患者的症状没有显著影响。
In some cases, the power of the placebo effect can be stronger than the actual medicine being prescribed.
在某些情况下，安慰剂效应的力量可能超过了处方药物的实际效果。
The therapist explained the importance of belief in the placebo effect for its success in treating anxiety disorders.
心理咨询师解释了在治疗焦虑症时，对安慰剂效应的信念的重要性。
Researchers found that combining a low-dose medication with a placebo could actually enhance its therapeutic benefits.
研究人员发现，将低剂量药物与安慰剂结合使用，反而能增强其治疗效果。
The placebo effect can be a powerful tool in psychological therapies, but it's crucial to inform patients about it.
安慰剂效应在心理疗法中是一种强大的工具，但必须向患者说明这一点。
Despite knowing it was a placebo, she still experienced a reduction in her headache after taking it.
即使知道那是安慰剂，她服用后仍然感到头痛减轻了。