Some of the most expensive fighters such as the US F-14 Tomcat, F-15 Eagle, F-22 Raptor and Russian Su-27 were employed as all-weather interceptors as well as air superiority fighter aircraft, while commonly developing air-to-ground roles late in their careers.
The health service measures that best predict subjective health status should be identifiable. Following her further degree in clinical epidemiology and biostatistics, her interest turned to the development of methods to measure subjective health status.
The definition of subjective is something that is based on personal opinion. An example of subjective is someone believing purple is the best color.1  of, affected by, or produced by the mind or a particular state of mind; of or resulting from the feelings or temperament of the subject, or person thinking; not objective; personal: a subjective judgment.ased on a given person's experience, understanding, and feelings; personal or individual: admitted he was making a highly subjective judgment. 1  Psychology Not caused by external stimuli. 2  Medicine Of, relating to, or designating a symptom or complaint perceived by a patient.