What is the meaning of double-blind experiment?

noun

  • An experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment.
    • usage: "a double-blind procedure is used to guard against both experimenter bias and placebo effects"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). double-blind experiment. Retrieved September 20, 2026, from http://smartdefine.org/double-blind_experiment/definitions/1271219
ChicagoWordNet. 2010. "double-blind experiment" http://smartdefine.org/double-blind_experiment/definitions/1271219 (accessed September 20, 2026).
HarvardWordNet 2010, double-blind experiment, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/double-blind_experiment/definitions/1271219>.
MLAWordNet. "double-blind experiment" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/double-blind_experiment/definitions/1271219>