“Diversity in respect to the nationalities in the group was related to poorer performance...The results suggest that groups made up of students of different nationalities tend to have lower grades compared to homogeneous groups. In contrast, having a group with a mix of GPAs can result in higher grades on the project.” (p.913)

Cheng, L. T., Armatas, C. A., & Wang, J. W. (2019). The impact of diversity, prior academic achievement and goal orientation on learning performance in group capstone projects. Higher Education Research and Development, 39(5), 913-925. doi:10.1080/07294360.2019.1699028