Legibility, in practice, amounts simply to what one is accustomed to.
It is freely admitted that this "testing" is far from ideal and could even be described as anecdotal.
Art is skill, that is the first meaning of the word.
The artist is not a different kind of person, but every person is a different kind of artist.
If you look after goodness and truth, beauty will take care of itself.
If you look after truth and goodness, beauty looks after herself.