DOUBLE BLIND By N., Pam M.S. - April 7, 2013 An experimental procedure where the nature of the experiment is not known. See blind. Compare single blind- triple blind. DOUBLE BLIND: "In a double blind experiment both the participants and the experimentor are not aware of the nature of the experiment." Related Psychology Terms BLIND SINGLE BLIND BLIND THOUGHT EXPERIMENT ARTIFACT PRACTICE MATERIAL NULL HYPOTHESIS BLANK TRIAL PARADIGM REPLICATION Cite this page: N., Pam M.S., "DOUBLE BLIND," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/double-blind/ (accessed December 5, 2020).