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.
Subjective vs. Objective. Subjective information or writing is based on personal opinions, interpretations, points of view, emotions and judgment. It is often considered ill-suited for scenarios like news reporting or decision making in business or politics. Objective information or analysis is fact-based, measurable and observable. Here are some examples of objective and subjective statements: 47% of Americans pay no federal income tax. These people believe they are victims and would never vote for a Republican candidate..