designing

It seems to me that acupuncturists have a very tough excuse to beat when it comes to double blind studies. They claim that only qualified acupuncturists can make acupuncture work . This makes it hard for bias to be factored out. I mean, if the acupuncturist gives sham treatment to a patient...

Ok folks, I have received the magnetic coasters for testing, courtesy of Roger Coghill. The product was offered for sale from Cogreslabs' site, with the following advertisement I maintain that there will be no discernible difference between magnetized water/wine etc and the un-magnetized...

Here's how Steve Grenard describes a "triple-blind" experiment: Steve, BillHoyt has asked you several times, but I'll chip in, too: How would you design - in detail - a triple-blind experiment of mediums? Including how the evaluators evaluate.