elliptical or as n.
| 单词 | θ86369 | 
| 释义 | the world > action or operation > endeavour > trial or experiment > trial, test, or testing > 			[noun]		 > specific tests or testing > where information hidden from tester or subject (2)		 double-blind1960 elliptical or as n. blind test1962 Applied to (the conduct of) a test or experiment in which information about the test that might lead to bias in the results is concealed from the… | 
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