New approaches to the psychology of leadership -- Part 1: Conceptions of leadership -- The cultural ecology of leadership : an analysis of popular leadership books -- Social identity and leadership -- On the psychological exchange between leaders and followers -- The psychodynamics of leadership : Freud's insights and their vicissitudes -- Part 2: Effectivenss of leadership -- Rethinking team leadership or teams leaders are not music directors -- Leadership as group regulation -- Process-based leadership : how do leaders lead? -- Claiming authority : negotiating challenges for women leaders -- Why David sometimes wins : strategic capacity in social movements -- Part 3: Consequences of leadership -- The perception of conspiracy : leader paranoia as adaptive cognition -- Leadership and the psychology of power -- The demise of leadership : death positivity biases in posthumous impressions of leaders -- Part 4: Commentary -- When leadership matters and when it does not a commentary