The phrase "a more impartial perspective" is correct and usable in written English.
You can use it when discussing the need for an unbiased or fair viewpoint on a particular issue or topic.
Example: "To fully understand the situation, we should strive to adopt a more impartial perspective."
Alternatives: "a fairer viewpoint" or "a less biased outlook".
As for the accusation that Facebook causes filter bubbles by surrounding us with information shared by our social graph instead of a more impartial news source, Sandberg said Facebook actually broadens our perspective through exposure to our weak ties and acquaintances.
A more impartial school report comes in a new book, "The Coalition Effect 2010-15," edited by Anthony Seldon and Mike Finn.
A more impartial estimate, by Goldman Sachs, puts the figure at $75,000.
Anticipating a more "impartial" foreign policy, Lord Malloch Brown said he was happy to be described as an "anti-neocon".
A more impartial way is to assess model quality by comprehensible measures like accuracy, clarity, completeness, conciseness, or consistency.
Peter Railton appeals to the concern people generally have to be able to justify their choices and conduct from a more impartial standpoint.
For all the backstage access and the insanity of the "777" situation, a more impartial film could have wrung a real story out of this tour.
However, if you do have a few minutes to spare, putting distance between yourself and your work makes you a more impartial editor.
Furthermore, a judiciary comprised of judges with diverse experience may provide a more balanced and thus impartial perspective on matters before the court.
To take an obvious counterexample, there is little if any justice in laws approved from a utilitarian impartial perspective when these laws take into account racially prejudiced preferences which are cultivated by grossly unequal, racially discriminatory and segregated social conditions.
