On Wed, 12 May 1999, Tim Shearon wrote:
> >
>
> Michael- Did you sleep during research methods class. Placebo groups are
> always required in studies involving drug research and have been standard
> practice for about 60 or more years. The control group is called the
> placebo group and receives a pill (etc.) resembling the one under
> investigation but which contains an inert substance (often sugar). A
> similar group is used in brain manipulation studies (called a sham control-
> because they get a sham operation involving all the procedures except the
> actual implant, lesion, etc).
> Tim S.
>
you have not answered my question.I know about the placebo group.
Should there a randomized group that gets "nothing"?
A placebo group would appear to be a treatment group.How about a group
that gets to drink a plain glass of water without any pill?
Michael Sylvester
Daytona Beach,Florida
