"differentiated roles" is correct and usable in written English.
You can use it to describe two or more roles, positions, or activities that are distinct from one another. For example: "The teacher outlined her expectations for the students and differentiated roles for them within the classroom."
The paper discusses the differentiated roles of artists in shaping Shanghai's three prominent arts districts.
As each successive project was undertaken, differentiated roles and responsibilities were elaborated again.
Transparency enables cross-team integration; all the thinly differentiated roles are easier to find than they would be in a traditional organization.
Without clearly differentiated roles, men and women are competing over the same things: job status, time with the children, who's going to do the housework – which makes harmonious communication difficult, so people look around for explanations.
Practice is also suggested to assume differentiated roles (bridging vs. facilitating) under the different governance systems of China and the US.
Multicellular creatures can't afford that; we need our cells to constrain themselves and play their assigned, differentiated roles for the good of the whole.
We analyze the differentiated role played by traditional R&D determinants in driving research and development.
But particularly when we're in a leadership position or another differentiated role we can feel that it's our individual obligation to orchestrate the ending.
However, the differentiated role of women in the evolution of cultural meanings within innovation-based economies has not been described.
The case illustrates the transition of academic institutions to a more differentiated role in Russian society, moving away from the single purpose mode of the Soviet era.
We have sought to extend this understanding by further examining the micro-level complexities around the distribution of responsibilities and by proposing to view it in terms of interchangeable and differentiated role boundaries.
