Innovative teaching can provide both new opportunities and new challenges for people who stammer (PWS) in university. Stammering is an invisible disability that affects approximately 1% of the population worldwide. Using the example of collaborative learning a range of assessment social and psychological challenges can be established for those with communication impairments. However there are also a clear set of mitigations. It is important to assess how newer or innovative methods change the dynamics of learning of different groups of students.