double-blind procedure

NOUN
22 LETTERS · STARTS WITH D

double-blind procedure is a valid 22-letter word worth 31 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2O1U1B3L1E1-0B3L1I1N1D2P3R1O1C3E1D2U1R1E1
2 + 1 + 1 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 3 + 1 + 2 + 1 + 1 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does double-blind procedure mean?

NOUN · 1 SENSE
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 effects”