The phrase "professional study" is correct and usable in written English.
You can use it to refer to a study done by a professional. For example: "After conducting a professional study, the researcher was able to identify the most effective strategies for success."
The city already commissioned a professional study that concluded it was impossible to restore the piece.
College literature courses should be taught by people who have made a serious, professional study of their subject.
By Field Maloney Even the most devoted slime-mold enthusiasts would probably concede that the professional study of slime molds — more formally known as Eumycetozoans — has some unique drawbacks.
Many of these low-income, high-achieving students go on to great success, including graduate and professional study at the "elite" schools.
Even the most devoted slime-mold enthusiasts would probably concede that the professional study of slime molds — more formally known as Eumycetozoans — has some unique drawbacks.
He introduced into the curriculum such studies as art, music, science, and manual arts, and he favoured the professional study of education for teachers in training.
Professional studies loans are available from individual banks.
She graduated from the University of Michigan and received a master's degree in professional studies from Manhattanville College.
She graduated from Duke University and received a master's degree in professional studies from New York University.
While in Sing Sing, he earned a master's of professional studies from the New York Theological Seminary.
These are academic and professional studies, not whimsical online polls, and each time I read one I feel deflated.
