That's based on an assumption of additivity. Has that assumption been well-tested?
Paul Bernhardt Dept of Psychology Frostburg State University pcbernhardt _at_ frostburg _dot_ edu On Mar 10, 2010, at 10:15 PM, Jim Clark wrote: > Hi > > I'm not sure it does make sense. If the placebo effect is getting stronger, > then shouldn't the med effect also get stronger because of its placebo > effect? That is, med effect is hypothesized to be combination of placebo + > med, hence the rationale for the placebo control group. So you have > something like: > > placebo(1990) + med versus placebo(1990) in 1990 > > and > > placebo(2010) + med versus placebo(2010) in 2010 > > I do not see how this can lead to a narrowing of the med effect? > > Take care > Jim > > > James M. Clark > Professor of Psychology > 204-786-9757 > 204-774-4134 Fax > [email protected] --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=1213 or send a blank email to leave-1213-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
