FOOD RESOURCE COLLEGE OF HEALTH AND HUMAN SCIENCES, OREGON STATE UNIVERSITY
BLIND (SINGLE OR DOUBLE) EXPERIMENT
http://ific.org/glossary/index.cfm Accessed March 2007. International Food Information Council.
In a single blind experiment, the subjects do not know whether they are receiving an experimental treatment or a placebo. In a double blind experiment, neither the researchers nor the participants are aware of which subjects receive the treatment - until after the study is completed.
