Bonaiuto, M.

group leader group prototypicality leader leadership identity prototypicality ef ficacy member organization van knippenberg leadership effectiveness study knippenberg ficacy effectiveness identi change fication closure research membership team identi fication result effort employee effect threat psychology participant process people analysis level feature situation journal context kruglanski response theory behavior identity analysis relationship membership threats group members measure pierro scale article condition group membership perception variable uncertainty identification signi ficant model performance identity features job satisfaction outcome satisfaction illia pride factor leader prototypicality org 1 identi fication webster work team characteristic speci press 6- point scale leader effectiveness schwarzer illia l org 2 team leader pages 8 article