As demands for demonstrating impact are increasingly woven throughout the funding and institutional architectures of higher education, concerns have been raised that the impact agenda could adversely affect critical and blue-skies research, favouring instead research that lends itself more easily to societal uptake. Ahead of REF 2021, Ruth Machen considers what impact from critical research could look like and how assessment frameworks could support, rather than squeeze out, space for critical research. Four modes of critical research impact are outlined: challenging policy; empowering resistances; platforming voices; and nurturing new critical publics
