ICAA Research glossary

November 2008
Research Review (International Council on Active Aging);11/12/2008, Vol. 8 Issue 41, p1
A definition of the term "blinded study" is presented. It refers to research wherein the participants are not aware of who is receiving the treatment and who is receiving the placebo to avoid a conscious or unconscious influence on the results. In these type of study, either the participant or the researcher is unaware while a double-blind study compels both researcher and participant to be unaware of the treatment.


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