 Rogowski argues that there is too much focus on hypothesis-testing and too much caution against using single observations.Rogowski argues that KKV promotes a form of qualitative social science that is overly focused on hypothesis-testing, and that this limits scholars' questions, cases and ambitions.John J. Mearsheimer and Stephen M. Walt argue that International Relations scholarship has shifted away from crafting and refining IR theory to "simplistic hypothesis-testing", in part due to the influence of KKV in political science graduate programs.