The phrase "a duplication of research" is correct and usable in written English.
It can be used when discussing instances where research has been repeated or replicated, often in the context of academic or scientific work.
Example: "The study was criticized for being a duplication of research already conducted by other scholars in the field."
Alternatives: "a repetition of research" or "a replication of research".
As a result, much duplication of research is evidenced in the literature.
According to the report, three government inspectors uncovered a litany of problems relating to how CNRS is run, including duplication of research and "a management that doesn't manage much".
The publication of a study design may help to reduce the problem of publication bias, i.e. selective publication of positive associations and disregarding negative and weak associations, prevent unnecessary duplication of research efforts and duplicate publication [ 25].
This unintended consequence of the current organization behind biomedical research ultimately leads to duplication of research efforts, also precluding an expedited path toward the discovery of answers to important research questions.
This synthesis method has the potential to provide a higher level of analysis, generate new research questions and reduce duplication of research.
Poor reporting wastes many hours of researchers, clinicians and patients' efforts and is more likely to result in duplication of research efforts rather the efficient progression of knowledge and improvements in clinical practice.
22 23 24 Documentation of a trial's existence on a publicly accessible registry can help to increase transparency, 24 25 decrease unnecessary duplication of research effort, facilitate identification of ongoing trials for prospective participants, and identify selective reporting of study results.
Further, a published protocol informs others about which studies are in process thus reducing duplication of research effort [ 25].
This work presents a rich dataset that could greatly benefit the many publicly funded scientists examining the issue worldwide, including avoiding costly and unnecessary duplication of research".
