Talk:Double-blind studies
This is an old revision of this page, as edited by TempestHead (talk | contribs) at 04:54, March 15, 2007. It may differ significantly from current revision.
This is meant to guard against the experimenter bias and the placebo effect. Both of these phenomenon are known to exist and unless controlled for can result in erroneous faulty data that can negate the educational value of an experiment.