In a preliminary study, he said the response rate was better than 70 percent.

There have been some preliminary studies, but more research is needed.

They show us, in preliminary studies, what he meant to do.

But neither one nor other is a part of art, only preliminary studies.

By 1980, only preliminary studies had been done and the estimated cost was $135 million.

Researchers say the results are preliminary and further study with a larger group of participants is needed.

We've done some promising preliminary studies, but we haven't been able to get further than that.

But do you agree that we ought at least to carry out some preliminary studies?

They tested the idea in a preliminary study, using data from 1988 to 1998, and turned up mixed results.

In preliminary studies, for example, the questions can show if Prozac is working or not.