Introducing and validating a single-item measure of identity leadership: The visual identity leadership scale (VILS).

In the present research, we introduce and validate a single-item measure of identity leadership-the visual identity leadership scale (VILS). The VILS uses Venn diagrams of sets of overlapping circles to denote different degrees of alignment between a leader's characteristics and behaviours and a group's values and goals. Key advantages of the VILS over other existing multi-item scales are that it provides a holistic assessment of identity leadership, is short, and can be adapted to address novel research questions that are impractical to address with existing scales (e.