The phrase "a defined methodology" is correct and usable in written English.
It can be used when referring to a specific, established approach or system for conducting research or analysis.
Example: "In our study, we employed a defined methodology to ensure the reliability and validity of our results."
Alternatives: "a specified method" or "a clear approach".
Despite widespread interest, the literature lacks a defined methodology to control chitosan particle size and drug/protein release kinetics.
I say this because my firm has a defined methodology for its Ecosystem Audit offering in which we create analytics for understanding social data and we go far beyond social media monitoring platforms' reports.
An extensive survey on waste recycling/trading system was conducted through a defined methodology and framework of material flow was prepared.
Developing theories of vernacular architecture in archaeology has been hindered by the lack of a defined methodology for studying ancient buildings, and the absence of information on the mechanical properties of construction materials uncommon in today's building practices.
Studies without a defined methodology, including expert opinion and conference proceedings, were collected and used for the discussion.
ICHOM is in the process of extending this exercise, which involves a defined methodology, to many other areas of healthcare: it has now completed 12 'standard sets' (of outcome measures), and plans to have 50 completed by 2017.
Reviews conducted under the auspices of the Cochrane Collaboration use a clearly defined methodology, and external peer review is integral to each stage of the review process.
Papers reporting primary or secondary research with a clearly defined methodology were included if they described the use of at least one of the data sources included in the scope with the intention of identifying complications from procedures or devices.
In these reports, a mix of poorly defined methodologies is used.
Etsy CTO Kellan Elliott-McCrea sat down with TechCrunch recently and talked about the Etsy process when it comes to selecting technology, and it is very much a company that has clearly defined methodologies and approaches for everything it does.
We have well defined methodologies and processes for valuation".
