The phrase "assessed indirectly using" is correct and usable in written English.
It can be used when discussing methods of evaluation or measurement that do not involve direct observation or interaction.
Example: "The effectiveness of the program was assessed indirectly using participant feedback and surveys."
Alternatives: "evaluated indirectly through" or "measured indirectly by".
Their motivational tendencies towards those food items were assessed indirectly using a joystick-based approach-avoidance procedure.
Accordingly, this paper is written to describe the assessment method used to measure the PO via direct assessment of the course outcomes (Cos) as an improvement to previous practice where the COs were assessed indirectly using survey and examination results.
Neurodegeneration in worms expressing transgenic human mutant Tau can be assessed indirectly, using phenotypes such as impaired locomotion and reduced lifespan, but also directly by visualising loss of neuronal cell bodies and neuronal processes in vivo.
Instead, the persons' value system was assessed indirectly, using actual situations in which a normal person would weigh the possible alternatives with respect to the competing moral values.
Secondly, energy expenditure was assessed indirectly using FER.
Cardiorespiratory fitness was assessed indirectly using a modified Andersen fitness test [ 24].
GE was assessed indirectly by using C-octanoate breatestsstests
Most studies in general populations assessed exposure indirectly, using measurements of total arsenic levels in community drinking water sources.
We planned to only assess risk indirectly using information on relative rates from studies searched for in a separate systematic review of secondary studies as described below.
The impact of population density can be assessed indirectly, by measuring land use-land cover change using remote sensing.
The younger group, 27 children aged between 4 and 9, were assessed indirectly, by means of parent assessment, while the other children were assessed directly using a self-report questionnaire and a semi-structured interview.
