“…Previous studies have called them (1) perceived fairness and perceived effectiveness, (2) public confidence in policing, (3) trust in the police, (4) trust in procedural justice and trust in police effectiveness, and (5) legitimacy (differentiating between procedural justice, distributive justice, effectiveness and lawfulness). For example, procedural justice theory specifies that perceived fairness and perceived effectiveness are potential sources of legitimacy (Sunshine and Tyler, 2003), while Tankebe (2013) assumes that they are constituent components of legitimacy (for discussion, see Jackson and Bradford, 2019;Trinkner, 2019;Sun et al, 2019). In our view, the most important conceptual distinction is between (a) task-specific public evaluations and expectations of police conduct (e.g., people's perceptions of the effectiveness and fairness of officers) that we call 'perceived trustworthiness', in that they are the ascribed states and qualities that mean that they can be trusted to do what they are expected to do (cf.…”