The phrase "a decided course" is correct and usable in written English.
It can be used to refer to a specific and determined path or direction taken in a decision-making process.
Example: "After much deliberation, the committee chose a decided course to address the issues at hand."
Alternatives: "a determined path" or "a clear direction."
The general consensus was that patients several weeks out from diagnosis, who are well-embarked on a decided course of treatment, will be open to receiving information about the study.
Synthesis of quantitative and qualitative analyses suggested that participants who had taken a decided course of action on whether or not to take their medication did so as part of their self-care.
In this process, we acknowledge that adherence to mental health services is no longer only a matter of complying with a decided course of treatment in a clinical setting, but of reaching, connecting to, motivating, and sharing health decisions with patients and populations.
As a result, Steinbrenner is charting his own path for the Yankees — a decided change of course from the philosophy of his father, George, a political conservative but a liberal spender if ever there was one.
He had played here at Riviera Country Club once before setting eyes on it last week, a decided disadvantage on a course that rewards experience over power and putting over length.
These legal battles will ultimately define the flow of revenue streams across the internet and will have a deciding impact on the course of innovation in internet services.
There were any number of good-natured ways to deflect the issue (not one a president decides, of course).
The Florida Cubans gave Bush two hundred and fifty thousand more votes than they gave Gore — in a contest that was decided, of course, by five hundred and thirty-seven votes.
In response, a town meeting is held to decide a course of action, where Marge proposes that Springfield host a film festival showcasing films made by the townspeople.
The Payment Systems Regulator confirmed that it had received the supercomplaint and said it would examine the evidence Which? had supplied and gather its own, "to build a clearer picture of the issue and decide a course of action".
However, in cancer screening, because other factors may be taken into consideration when deciding a course of clinical action, there is a range of scores that may result in further testing.
