The phrase "are assessed by reference" is correct and usable in written English.
It can be used in contexts where evaluation or judgment is made based on specific criteria or standards.
Example: "The students' performances are assessed by reference to their understanding of the material covered in class."
Alternatives: "evaluated against" or "judged based on".
"The true value of any covert intelligence-gathering measures can only be assessed by reference, at least in part, to sensitive intelligence matters that cannot be publicly revealed".
Lord Neuberger said it was important to observe that the Broadcasting Code recognised that "offensive material or language will often be justifiable, but justifiability must be assessed by reference to the context".
The model is assessed by reference to experimental results for a network of metallic fibres.
The financial impact of coding Subjectivity, Variability and Error (SVE) was assessed by reference to national tariffs.
Calculations were made using Microsoft Office Excel and significance was assessed by reference to published tables (Siegal & Castellan, 1988).
Coverage and quality of the draft genome sequence were assessed by reference mapping of trimmed paired-end reads using CLC Genomics Workbench.
Expression patterns in mouse tissues and the likely functions of identified genes were assessed by reference to BioGPS (Scripps Research Institute, La Jolla, CA, USA; http://biogps.org/).org/
If toxicity is assessed by reference to S ae rather than to A ae, the danger of exposure to nanoparticles (e.g., for D = 30 nm), compared to fine particles (D = 1 μm), is overestimated by a factor of 1,130.
Recordsof prescriptions for ampicillin, cloxacillin or gentamicin were extracted from case notes or prescription sheets and the dosages were assessed by reference to the WHO Emergency Triage Assessment and Treatment (ETAT) manual in the context of the neonate's weight.
Under negligence law, the GP's actions would be assessed by reference to the skills expected of a GP trained in oral anticoagulation therapy, not those of a cardiologist [ 33].
