“…A prominent line of inquiry in leadership research has focused on understanding the contributions that leadership makes to organizational processes and performance outcomes (Bass & Avolio, 1994;Gresov, Haveman, & Oliva, 1993;Langlois & Robertson, 1993;Mathieu, Ahearne, & Taylor, 2007;Nissen & Levitt, 2002;Sivasubramaniam, Murry, Avolio, & Jung, 2002;Steers, 1975;Tate, 2008;Teece, 1982;Tushman & Romanelli, 1985). A common approach has been to collect survey data at one point in time that describe the behaviors and activities across a sample of leaders and analyze relationships with selected organizational variables and measures of performance or effectiveness (Bass, 1990;Campbell et al, 1993;Hallinger & Heck, 1996a;Kaiser et al, 2008).…”