The phrase "a valid model of" is correct and usable in written English.
You can use it when discussing theories, frameworks, or representations that accurately depict or explain a concept or phenomenon.
Example: "The researchers proposed a valid model of climate change that incorporates various environmental factors."
Alternatives: "an accurate representation of" or "a reliable framework for".
In summary, the gerbil elevated plus-maze appears to be a valid model of anxiety and neophobia for detecting anxiolytic and anxiogenic drugs, similar to other anxiety models in gerbils (Ballard et al. 2001; File et al. 2001).
A valid model of neural networks should only feature bounded membrane potentials.
Moreover, a valid model of neural networks should only produce bounded membrane potentials.
Intramuscular injections of hypertonic saline are frequently used to mimic human myalgia and regarded as a valid model of myalgia, in the orofacial region [26].
This explosive characteristic of the temperature predicted by Equation 2 indicates that the DPL model, in its exact form, cannot be considered as a valid model of heat conduction.
This model is a valid model of acute lung injury since it fulfilled the criteria laid out by Matute-Bello et al. [28]: histological evidence of tissue injury, alteration in the alveolar capillary barrier, presence of inflammatory response, and evidence of physiological dysfunction.
These data suggest that the culture is a valid model for study of innate immune protection functions of mucins and mucus (derived wholly from airway cells) on a ciliated epithelium.
The structural model of the theory of planned behaviour remains stable across groups, indicating a valid model to describe antecedents of intentions in the context of surgical checklist implementation.
Linkage studies failed to identify a valid model for the study of common forms of migraine.
2) Is it a valid model to investigate aspects of innate defense of the airways?
The surgically induced split hydronephrotic kidney has been generally accepted as a valid model for the assessment of renal microcirculation by means of intravital microscopy.
