Extra-role Performance
Spontaneous, voluntary behaviours that are not part of the Job description but contribute to the attainment of organisational goals
1) OCB: altrusim, sportsmanship, civic virtue, conscientiousness (Podsakoff et al, 2000)
2) Proactive Work Behviour: self-initiated behaviour about bringing a Change in the Environment (e.g. continous improvement) (warr et al, 2014)