The phrase "a demonstrable effect on" is correct and usable in written English.
It can be used when discussing the observable impact or influence that one thing has on another.
Example: "The new policy has had a demonstrable effect on employee productivity."
Alternatives: "a noticeable impact on" or "a clear influence on".
Both of these observations are evidence that chemotherapy is having an effective in these patients and has had a demonstrable effect on their disease.
The efficacy of TLTBI in people co-infected with HIV and TB has been extensively demonstrated [ 6, 7], but no treatment will have a demonstrable effect on public health if the target population is not reached or if treatment compliance is far from optimal, as seems to be the case with TLTBI [ 8, 9].
Trico has a demonstrable effect on The Last Guardian's world.
Adopting those measures has a demonstrable effect on robberies, the police official said.
Unlike their European counterparts, the Chileans see themselves as having clear demands – free higher education – and their actions are having a demonstrable effect on politicians.
And although the lives of individuals have improved, loans to the poor have not yet had a demonstrable effect on aggregate poverty levels.
"Just because you're able to recall a story better after six weeks may not mean that it's had any demonstrable effect on everyday life," Dr. Loewenstein said.
Whether streaming has had any demonstrable effect on sales remains intensely debated, though.
QUESTION FROM GUEST: Will the Supreme Court ruling equating corporate contributions as personal campaign contributions have any demonstrable effect on the Senate, or just more of the same?
Still, Muhammad Ali's 1995 visit didn't seem to have any demonstrable effect on North Koreans' willingness to absorb state propaganda, although Ali did not exactly acquit himself well as a diplomat.
We favor the former possibility, since a genetic model for increased mitochondrial efficiency, the La fly, exhibits potent effects on mobility without any demonstrable effect on cardiac senescence.
