The phrase "a planned study" is correct and usable in written English.
It can be used when referring to a study that has been organized or arranged in advance, often in a research or academic context.
Example: "The researchers conducted a planned study to investigate the effects of sleep on cognitive performance."
Alternatives: "an organized study" or "a scheduled study".
A slide listing "Key Projects for 2005" mentioned a planned study in adolescents of Concerta, a stimulant manufactured by Johnson & Johnson.
(Ms. McConnell said she did not expect to have a detailed picture of economic impact until the completion of a planned study, early next year).
Making DNA data more useful is the goal of President Obama's "precision medicine initiative," a $215 million effort that includes a planned study of the health records and DNA of one million people.
In addition to the concern about contractors, Ms. Quinn and the Council finance chairman, Domenic M. Recchia Jr., a Brooklyn Democrat, proposed that the city reduce spending by taking steps like delaying a planned study of air quality and reducing the number of workers who collect money from parking meters.
This was a study of opportunity rather than a planned study, and this assessment was not originally intended for research.
"We all know this needs to be addressed, and we are addressing it," specifically through a planned study of the feasibility of counting employee postdocs.
It was not an a priori planned study and only included a single center with relatively few patients.
The report does not address a single planned study but rather a compilation of data from a number of ad-hoc investigations in response to the outbreak plus observations and findings made by the authors.
The title character is a twenty-something woman who returns, after a long and unexplained absence, to her university in Seoul, to ask Dong-hyun, a film professor, to write a recommendation for her planned study abroad.
However, that is the subject of a planned prospective study that might reveal how students who do not struggle, but encounter similar difficulties, cope successfully with them.
The results of this planned study will be published in an article in a scientific peer-reviewed journal.
