> Knowledge based on experience and trial-and-error is still empirical--i.e. based on "sense experience." [...] Artists paint stuff and then observe how people

> Knowledge based on experience and trial-and-error is still empirical--i.e. based on "sense experience." [...] Artists paint stuff and then observe how people react to it. Artists do this, that is true. But they don't exclusively do this. Artists may also develop their skill in private through introspective means. Furthermore this analysis is almost always qualitative in nature; artists or their audience assessing distinctly qualitative properties of the work.