what does double-blind procedure mean?

DOUBLE-BLIND PROCEDURE as NOUN

Meaning
- an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment
- a double-blind procedure is used to guard against both experimenter bias and placebo effect
Synonym(s)
- double-blind experiment (what does double-blind experiment mean?)
- double-blind study (what does double-blind study mean?)
Hypernyms(s) double-blind procedure is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- experimental procedure (what does experimental procedure mean?)