blind sample

blind sample

[¦blīnd ′samp·əl]
(analytical chemistry)
In chemical analysis, a selected sample whose composition is unknown except to the person submitting it; used to test the validity of the measurement process.
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Our organic sample was rated pretty highly when participants were aware of the brand, but the same blind sample was rated the lowest of all the products.
Part 2: Evaluate the sensitivity and specificity of the optometrist-led Ml clinics by conducting a blind sample comparison of optometrist grading to gold standard (consultant ophthalmologist) using review of OCT images.
These two models allow us to predict the blind sample scores at T=0 and T=2 months with the E-Nose, using the sensory panel scale (Table III).
Subsequently, a roller blind sample was attached to the angled end of the holder and mounted at the transmission port as shown in Figure 2a.
5 Blind sample your creations and have others sample them as well.
In an interview with the Seattle Times, Bernatowicz claims that he was testing the accuracy of the lab, "so I wasn't going to tell them I was sending in a blind sample."
It is feasible, therefore, that some members of the congenitally blind sample were unable to have any visual sensation whatsoever, and indeed this is confirmed by passing references to individual cases, but detailed documentation is not provided.
As EQA is tested using blind samples, operator bias is eliminated and the test system can be appropriately challenged.
In 2002, while trying to perfect the Finisher with overseas manufacturing, he was distressed to see some blind samples came in with lots of issues.
Moreover, in this study, the diagnostic efficacy was validated in an independent set of 60 blind samples