double-blind sample

double-blind sample

[¦dəb·əl ¦blīnd ′sam·pəl]
(analytical chemistry)
In chemical analysis, a sample submitted in such a way that neither its composition nor its identification as a check sample is known to the analyst.
References in periodicals archive ?
By the same token, if papers with the same characteristics as the double-blind sample were reviewed single-blind, they would receive roughly 18 percent fewer citations than the double-blind reviewed papers actually received (on average).