"nuanced assessment" is correct and usable in written English.
You can use it when you want to describe an evaluation that is made with a lot of detail and subtlety. For example: "The report required a nuanced assessment of the data in order to identify the underlying issues."
We looked to assess the feasibility of using this particular combination of research tools to provide a nuanced assessment of the end-of-life experience as assessed by proxy respondents.
Mr. Salih said Mr. Bremer initially resisted a more nuanced assessment.
A nuanced assessment of the I.A.E.A. report was published by the Arms Control Association (A.C.A ., a nonprofit whose mission is to encourage public support for effective arms control.
You may recall that the genesis of the froideur between the pair was a text message, reportedly sent by Mickey to a Hollywood bigwig, which offered a nuanced assessment of Sean's performance in the Harvey Milk biopic, Milk.
The report breaks ground in its detailed and nuanced assessment of how therapists should deal with gay clients struggling to remain loyal to a religious faith that disapproves of homosexuality.
But the cables also convey a nuanced assessment of the French leader as a somewhat erratic figure with authoritarian tendencies and a penchant for deciding policy on the fly.
But that will happen only if we have more nuanced assessments of the Middle East.
His style was not to encourage his policy preferences to be questioned, or call for nuanced assessments of possible consequences.
More advanced machinery might be able to make more nuanced assessments, using fuzzy logic, but of course more advanced machinery would do away with punch cards.
Her supporters said her positions reflect clear-minded and nuanced assessments of problems, that she sees good ideas in people on both sides of the political divide, and that she is driven less by ideology than by a determination to achieve results.
Although Fourcade and Brunetti differ a lot in terms of experience and interest, their insightful and nuanced assessments of economics today are often remarkably similar.
