Identity Leadership Inventory (ILI, Steffens)
LeadershipReliability: alpha 0.904 sample items
About this scale
A 15-item measure of identity leadership across four dimensions: prototypicality, advancement, entrepreneurship, and impresarioship — capturing leadership as 'doing for the group'.
Sample item(s)
“My leader embodies what the group stands for (prototypicality)”
“My leader champions the interests of the group (advancement)”
“My leader creates a sense of cohesion within the group (entrepreneurship)”
“My leader devises events that reaffirm group identity (impresarioship)”
Reliability
Reported internal consistency: alpha 0.90. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use.
Source & citation
Steffens, N. K., Haslam, S. A., Reicher, S. D., Platow, M. J., Fransen, K., Yang, J., et al. (2014): Leadership as social identity management: Introducing the Identity Leadership Inventory (ILI). Leadership Quarterly, Vol. 25, No. 5, pp. 1001–1024.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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