The phrase "a study by three" is not correct and lacks clarity in written English.
It could be used in a context where you are referring to a study conducted by three individuals or a group of three researchers, but it needs more information for clarity.
Example: "The findings were published in a paper titled 'A Study by Three' which detailed their collaborative research efforts."
Alternatives: "a study conducted by three" or "a research project by three".
But a study by three leading Caracas universities found that 76percentt of Venezuelans are now under the poverty line, compared with 52percentt in 2014.
But a study by three scholars, published in February in American Political Science Review, found that patronage networks were more important than performance measures.
A study by three Carnegie Mellon professors in 2006 found that average annual power outages in the U.S. last four times as long as those in France and seven times as long as those in the Netherlands.
The article, by Dr. Barry Pless of Montreal Children's Hospital, accompanied a study by three other Canadians that found 243 amateur hockey players in the country sustained spinal injuries from 1966 to 1996.
A study by three academics, called Predict09.eu, suggests that the center-right will remain the biggest group in the European Parliament, followed by the socialists and then the liberals.
In California, for example, the paid leave law doubled typical maternity leaves to six to seven weeks, according to a study by three researchers, Maya Rossin-Slater, Christopher J. Ruhm and Jane Waldfogel.
It seems so, judging from a study by two economics professors, newly published in Science magazine.
That's the conclusion of a study by two researchers at the Prince William Sound Science Center, an independent research organization.
But even it is a money-losing proposition, according to a study by two economists at Johns Hopkins University, Bruce W. Hamilton and Peter Kahn.
According to a study by two former Census Bureau officials, in December, 2007, the median household income was $55,500.
According to a study by two researchers in Texas, there were 35 such agreements last year, up from 20 in 2006.
