The phrase "a well defined question" is correct and usable in written English.
It can be used when referring to a question that is clear, specific, and unambiguous, making it easier to answer or discuss.
Example: "In order to conduct effective research, it is essential to start with a well defined question that guides the inquiry."
Alternatives: "a clearly articulated question" or "a precisely formulated question".
While many of the major green plant clades are well defined, questions remain regarding the relationships among them.
A well defined causal question stemming from a theoretical framework that is presumably of interest to governing bodies responsible for policy priorities.
Clinical trials are characterized by their ability to answer very specific, straightforward questions in a well defined relatively homogeneous patient population.
We assessed whether or not each paper reported the following components: a clearly defined research question, rationale for the study design, a well defined sampling strategy and clear description of data collection.
The National Oceanic and Atmospheric Administration Contingent Valuation panel recommended that a response category be included along with the vote in favor and vote against options associated with a referendum contingent valuation question that allows individuals to express lack of a well defined opinion.
Systematic Reviews (SRs) are conducted through a well defined process [ 1], and published as robust answers to clinical questions given the best available evidence [ 2].
Next, we questioned whether tissue-specific expression of imprinted genes is regulated by a well defined set of transcription factors.
The question to be studied is whether both strategies give designs that are equally efficient in terms of a well defined optimality criterion.
This then explains why even researchers with a very well defined research question will have the irresistible urge to keep on digging for the answers to their newfound questions.
Because these sets of predictions are very concrete, they allow you to ask a well-defined question, and you can design experiments to answer that question.
