Pierro, A.

group leader group prototypicality leader leadership van knippenberg prototypicality knippenberg identity leadership effectiveness effectiveness identi leadership e ffectiveness psychology fication closure uncertainty role ambiguity study team identi fication participant process effort ambiguity effect ffectivenes member analysis employee relationship organization identity analysis journal research response satisfaction pierro result theory turnover variable job satisfaction follower turnover intentions group membership intention people kruglanski analyses perception haslam performance team leader group members membership platow scale identi fication desire condition identification interaction extent cicero press outcome behavior context model group processes e ffects measure webster management leader prototypicality work team british review 6- point scale uncertainty reduction hypothesis leader effectiveness