Re: [Vo]:Placebo effect getting stronger

2013-04-20 Thread Jack Cole
James brings up important points with respect to hypnosis and the mind/body relationship. No treatment controls have been performed in many studies--most often through the use of "wait list controls." In other words, one group is on a waiting list to begin the treatment, and this is compared to t

Re: [Vo]:Placebo effect getting stronger

2013-04-20 Thread James Bowery
Its not that complicated. Jed suggested the appropriate control for placebo: No treatment at all. On Fri, Apr 19, 2013 at 10:20 PM, John Berry wrote: > This is obviously a complex issue. > But I think that strong belief as with hypnosis and other suggestions > can't be discounted (faith heale

Re: [Vo]:Placebo effect getting stronger

2013-04-19 Thread Jed Rothwell
I suppose an alternative hypothesis would be that these particular diseases are psychosomatic. - Jed

Re: [Vo]:Placebo effect getting stronger

2013-04-19 Thread John Berry
This is obviously a complex issue. But I think that strong belief as with hypnosis and other suggestions can't be discounted (faith healers). There are people who have apparently died from being made to think they they were having blood drain from their bodies. And if someone goes into surgery wit

Re: [Vo]:Placebo effect getting stronger

2013-04-19 Thread Jed Rothwell
If the studies I read are correct, this indicates the disease they are trying to cure with this particular drug usually goes away on its own. The "placebo effect" is not getting stronger. They happen to be treating a disease in a group of people where nature usually does a better job than medical s

Re: [Vo]:Placebo effect getting stronger

2013-04-19 Thread John Berry
Actually, it does say that: One estimated that the so-called effect size (a measure of statistical significance) in placebo groups had nearly doubled over that time. On Sat, Apr 20, 2013 at 1:18 PM, John Berry wrote: > I said that the placebo effect had about doubled in effectiveness over > what

[Vo]:Placebo effect getting stronger

2013-04-19 Thread John Berry
I said that the placebo effect had about doubled in effectiveness over what it had been. Someone asked for the source. I am sure a better search of google will turn up more info on that, but here is an article about it getting more effective without (I think) mentioning a doubling: http://www.wire