The phrase "a decisive role for" is correct and usable in written English.
It can be used when discussing the importance or influence of something in a particular context or situation.
Example: "The new policy played a decisive role for improving employee morale and productivity."
Alternatives: "a crucial role in" or "a significant role in".
However, that alliance plays a decisive role for social change.
Such hierarchically structured surfaces may show superior applicability for reactions where mass transport into the porous layer plays a decisive role for the reaction rate or detection probability.
The surface oxide film on titanium and its long-term stability in biological environments play a decisive role for the biocompatibility of titanium implants.
We are interested in further understanding the dynamics between entrepreneurial experimentation, market formation, and institutional contexts, together playing a decisive role for successful diffusion of such technologies.
Tannin has a decisive role for increasing the photocatalytic performance of ZnFe2O4 due to the abundant units of phenolic groups in tannin molecules.
While built environment is important, a decisive role for children's active travel to school and other places is seen in the combination of preferences and licences.
This exaggerates America's importance: its trade plays a decisive role only for a few other countries (such as Mexico), and as it is a capital importer, a downturn there ought to release savings for others to tap.
But in Ukraine, Manafort has played a decisive role in politics for nearly a decade – one that is being closely scrutinized after his name has appeared in documents that are being examined in a corruption investigation.
It has for instance been recognized that the population structure (who interacts with whom) plays a decisive role [ 6- 22] (for a recent review, see also [ 23] and references therein).
The restructuring of this event means that the concluding 160-lap points race should play a decisive role: 16 sprints count for points, while there are 20-point bonuses for gaining a lap, but critically, every point earned counts towards the overall omnium standings.
Highway aligning is categorized as a complicated multi-objective problem, in which modeling plays a decisive role in the budget for operating and engineering costs.
