The phrase "a significant study" is correct and usable in written English.
It can be used to refer to a research study that has considerable importance or impact in a particular field.
Example: "The researchers published a significant study that changed the way we understand climate change."
Alternatives: "an important study" or "a notable study".
A significant study links berry consumption with improved heart health.
A significant study of 167 leaders revealed that the most resilient leaders have a deeper self-knowledge.
Celso Arango, professor of psychiatry at the Gregorio Marañón general university hospital, Madrid, and president-elect of the European College of Neuropsychopharmacology (ECNP), said it was a significant study.
It is a significant study which requires in-depth investigation to understand the structural characteristics and its dynamic behavior.
There is also a significant study by the independent Migration Advisory Committee, but this was not commissioned until July 2017 and won't report until September 2018 – just six months before Britain leaves the EU.
The finding, contained in a significant study by the Australian Housing and Urban Research Institute (Ahuri), has prompted renewed criticism of the New South Wales government's efforts to combat the housing affordability crisis in Sydney.
There is not a single significant study in your country where people have demanded informed consent for the use of information produced in the process of delivering health care.
The company hopes to confirm these findings in a more significant study in the near future for pre-market review by the FDA.
This is a "very significant" study, says virologist Robert Garry of the Tulane University Health Sciences Center in New Orleans, Louisiana.
"It's a very significant study," says biological anthropologist Tom Brutsaert of the University at Albany, State University of New York.
I haven't done a statistically significant study and like all such observations it's not clear what constitutes the category.
