I think it's something that could be resented by students and parents alike, particularly if they didn't believe there was a demonstrable need for it.
The only grounds I have [to refuse permission for the trials] is if there is demonstrable scientific evidence to offset the decision.
It is demonstrable , for that matter, that poverty and poor health go together.
The limitations of such a view of ‘instinct’ are clearly demonstrable in Freud's writings on art and artists.
Group influences on the individual are marked, easily demonstrable and pervasive.
The supermarket chain argues that the extension plans will enhance the vitality and viability of the town centre without causing demonstrable harm.
But there is no demonstrable shortage of low skilled workers in the United States today.
We did not expect that the demonstrable benefits of quite different types of psychotherapy would be so little different.
You need superior technology, but you also need a demonstrable advantage over any competing method of doing business.
The idea of increasing their already generous remuneration, without demonstrable justification, is outrageous.