The phrase "assessed firstly on" is correct and usable in written English.
It can be used when describing the initial criteria or factors considered in an evaluation process.
Example: "Candidates will be assessed firstly on their relevant experience before considering other qualifications."
Alternatives: "evaluated initially based on" or "judged primarily on".
The effectiveness of this approach is assessed firstly through frequency domain analysis using as excitation a stationary harmonic load applied on the rail.
It is therefore important to assess, firstly, the risks for transfer of OC resistance mutations that emerge in avian influenza virus into influenza virus spreading in the human population, and, secondly, the possible influence of this phenomenon on treatment efficiency.
The usability and performance of this modified Jameson Cell was firstly assessed and confirmed on flotation of spodumene by a pilot-scale plant.
Each member of a standard-setting group firstly assessed each item on the paper individually, usually in their own time before the main meeting, and they made an estimate of the proportion of just-passing candidates whom it was felt should know the answer to the question.
Adherence: Adherence to the intervention will firstly be assessed based on adherence to the exercise program and wearing of the sensor.
The recommendations of the consensus meeting held during the 6th International Conference on Geriatric Oncology (Balducci et al 2001) was that any elderly cancer patient should firstly be assessed on his/her frailty, and then considered for appropriate cancer management.
The presence of PAPP-A in pools of CSp-CMs and pools of CDC-CMs has been firstly assessed by affinity chromatography on heparin-sepharose column, a procedure known for its selectivity in recognizing PAPP-A and previously used for PAPP-A/proMBP separation from normal term maternal serum [ 25, 26, 31].
Firstly, pre-pregnancy weight was assessed based on subject recall, which may have resulted in recall bias.
Firstly, expert answers are assessed on a national/language-zone level (national platform) and secondly on a European level (central English archive).
Performance on street crossing simulation was firstly assessed with a Wilcoxon Signed Rank Test on factor Speed (30 and 50 km/h), in the younger and older groups, respectively.
