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How double blind is double blind? And does it matter?
Author(s) -
Huskisson EC,
Scott J
Publication year - 1976
Publication title -
british journal of clinical pharmacology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.216
H-Index - 146
eISSN - 1365-2125
pISSN - 0306-5251
DOI - 10.1111/j.1365-2125.1976.tb00612.x
Subject(s) - double blind , crossover study , medicine , double blind study , blind spot , psychology , alternative medicine , placebo , pathology , neuroscience
In an apparently double blind crossover study, two experienced measurement technicians were able to identify many of the treatment periods. They most often correctly identified aspirin, a drug with prominent effects and side effects. It is argued that in many circumstances it is better to use a blind observer who is not concerned with the giving of treatment or the collection of side effects.