"analytical piece" is correct and usable in written English.
You can use it to refer to a type of writing that presents an analysis of a topic or subject. For example, "My professor asked us to write an analytical piece about the effects of climate change on agriculture."
Not recommended for when working on a nuanced, analytical piece.
We have an analytical piece from Slavoj Žižek that makes the point that they didn't join willingly.
And the reporter Michael Barbaro wrote an analytical piece soon after, raising questions and describing the strange quality of the campaign thus far.
The critical aspect of postgraduate programmes, which usually require participants to produce an analytical piece of about 20,000 words alongside their creative work, helps to encourage students to reflect on their process.
Writing a balanced analytical piece is much more difficult for a reporter who, consciously or unconsciously, has a political agenda or a deep contempt for one side or the other.
Pakistan's high commissioner in India, Salman Bashir, recently visited the state and lauded Mr. Kumar's efforts at developing the state, but not everyone in Bihar would agree with him, the analytical piece says.
Collages, descriptive keys and analytical pieces should be displayed in the classroom.
"The people we employ are specialist people who like to write considered, analytical pieces - that's the value they add - and what money is there in it anyway?
During the cocaine wars of the early Eighties, when there were machine- gun shoot-outs in Miami's shopping malls, Hiaasen was writing analytical pieces about the Colombian-based gangs and their Florida pushers.
"I've seen some analytical pieces from the bureau and the agency," said one senior American counterintelligence official, referring to election threat reports by the Federal Bureau of Investigation and the Central Intelligence Agency.
Because "newness" would no longer be a primary factor driving the selection of science news, assigning editors might give more weight to overview stories about trends in research, or the accretion of ideas within fields, or more deeply analytical pieces.
