“…In the studies, mentors' competence was self‐assessed with instruments including: unnamed instruments developed by the authors (Borch et al, ; Hall‐Lord et al, ; Heffernan et al, ; Helminen et al, ; McInnes et al, ; Meden et al, ; Omer et al, ; Skela‐Savič & Kiger, ; Smith et al, ); the Involvement, Motivation, Satisfaction, Obstacles and Commitment Instrument (Cervera‐Gasch et al, ); Mentor´s Competence Instrument (MCI) (Kälkäjä et al, ; Karjalainen et al, ; Oikarainen et al, ; Ruuskanen et al, ; Tuomikoski et al, ) and Nursing Students' Contributions to Clinical Agencies (NSCCA) instrument (Morrison & Brennaman, ). Validated instruments are categorised in terms of competence areas covered in Table .…”