What does P/P stand for?
P/P stands for Placebo/got Placebo
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Samples in periodicals archive:
As such, kudzu root offers hope to heavy drinkers who wish to make a reduction in their alcohol consumption. Lukas and his colleagues published a study of the use of kudzu root in humans in 2005. This was a placebo controlled double blind study where subjects served as their own controls. In the first round of the study half of the subjects were given placebo and half the kudzu root. In the second round of the study the condition was reversed--those who had received the kudzu got placebo, and those who had gotten placebo.
Physicians have long believed that some form of deception is essential to the placebo effect: after all, if you tell people that you're giving them a fake drug, why would they respond by getting better? But new research suggests that it may one day be possible to use placebos in everyday medicine w...
That is what's meant by an "inactive placebo. " The problem with this is that the subjects are not supposed to know whether they are getting the placebo or the drug. Some flawless studies have shown that when a placebo doesn't do anything, a high percentage of those receiving the placebo realize that they aren't getting the real drug. Since the whole point of a placebo is to see whether people are getting better because the drug helps them or because they just expect to get better when they are given medication, an inactive placebo destroys validity. They won't get better on a placebo when they know it is a placebo. A placebo.