On occasion, I do advise seniors on larger year-long projects, frequently related to their design courses. My role is to get them thinking outside of the project, and how it can operate in the world either physically or through media.
For instance in the example below, this student was working on the graphic design for an anti-littering campaign for the parks. In turn, he literally took it out on the trail, and then we worked on the documentation as this is how it would actually engage most people: