Of course, any piece of research will involve more than one question.

He had been working on an important piece of research.

But you're doing an important piece of, well, research.

The second piece of research developed by the group was a document on possible options for truth recovery.

We may quibble with this particular piece of research, but it's getting at something important, I think.

Are such differences important for this particular piece of research?

So another piece of research has come out on the gender pay gap and yes, women are still being paid less.

However, several pieces of research have concluded that the figure was significantly higher.

The Commission had established a piece of practical research into this problem and reported on its outcome.

But then he decides that the task is simply another piece of historical research.