The Rubik's cube of doing and being: Factors influencing professional identity transition to the medical registrar.

The transition to the medical registrar is multifaceted; with a challenging balance between support and independence in providing opportunities to perform (doing) whilst identity develops (being). Identity transitions involve multiple Rubik's-cube-like rotations between the facets of 'doing' and 'being,' until these align. Taking heed of influential factors and the interaction of minoritised social identities could guide a trainee-centred and smoother transition.