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  Definition of double-blind experiment
  1. 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
Similar Words: double-blind procedure, double-blind study

 

 
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ion_exchange means a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing; ... more
 
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