The phrase "a determinative role in" is correct and usable in written English.
It can be used when discussing the significance or influence of something in a particular context or situation.
Example: "The new policy played a determinative role in improving employee satisfaction across the organization."
Alternatives: "a crucial role in" or "a significant role in".
Experiments showed that the amount of indium trichloride played a determinative role in the final morphology of the products.
Nor does it seem that Justice Alito would play a determinative role in such a case in any event, given what is known about the other justices' views.
The length of time that a closure is in place can play a determinative role in the effectiveness of the closure as a means of restoring stock biomass and diversity.
The NW sizes play a determinative role in the overall light absorption and the spatial photongenerated-carrier distributions [1, 11].
Personal relevance of the content stemming from interest, emotional involvement, self-efficacy, and having a stake in the outcome of a dispute between two positions is also described as playing a determinative role in change.
Rivera is essentially putting flesh on those ghostly bones; she's arguing that decisions made in college admissions -- good, bad or indifferent -- play a determinative role in where you go to work and how much money you make.
Compelling evidence has been acumulated for a determinative role of TSLP in the initiation and maintenance of the allergic response in the context of atopic asthma [ 5, 6].
17): While I don't disagree with Dr. Steven Pinker's claim that genes play an enormous determinative role in human behavior, current neuroscience research demonstrates that the nature/nurture dichotomy is in some sense a false one.
Moreover, existence or absence of cellulose-binding domain might play a determinative role.
And I know that myself and many of my friends are fairly feminine, so gender shouldn't play such a determinative role.
Like it or not, flyover country will continue to play an outsized and determinative role in presidential elections.
