The phrase "a study completed" is correct and usable in written English.
It can be used to refer to a study that has been finished or concluded.
Example: "The results of a study completed last year will be published in the upcoming journal."
Alternatives: "a finished study" or "a concluded study".
Separately, a study completed last year by a group of military agencies was released in April.
In a study completed in 2001 by the Federal Highway Administration, 49 working inspectors from around the country visually examined test bridges in Pennsylvania and West Virginia.
A study completed last year by the American Animal Hospital Association, based in Lakewood, Colo., backed up what Dr. Bjorling is finding in Wisconsin.
In a study completed in February, America's Anti-Defamation League surveyed 332,000 Europeans using an index of 11 questions designed to reveal strength of anti-Jewish stereotypes.
A study completed at Massachusetts General Hospital this year used natural language processing software to analyze existing inpatient psychiatric data.
A study completed last year contains a surprising insight for managers: Dealing with the software revolution requires a process that is not revolutionary but evolutionary.
A study completed on medical students in 2011 was one of the first to show that omega-3s may help reduce anxiety.
A study completed last year by the Insurance Institute for Highway Safety found a 3percentt decline in such crashes in a nine-state area during the time period that daytime running light systems were introduced.
In a study completed in May, researchers at Iowa State University concluded that retail food prices had already increased by $47 per person in the previous year or so as a result of higher corn prices.
Such dire predictions emanated from a study completed in October by Schoenhardt Architecture + Interior Design that was recently released by Mr. Connery's office The report, commissioned in 2003, cost $28.000.
According to a study completed in January by the National Association of Home Builders, "The Home of the Future," future buyers will want more storage of all kinds, from linen closets to mud rooms.
