What reason does John Kotter give in his Harvard Business Review article "Leading Change: Why Transformation Efforts Fail" for why many change initiatives are unsuccessful? Group of answer choices Managers overcommunicate their vision of the change. Managers establish too great of a sense of urgency. Managers form a powerful guiding coalition. Managers don't realize that transformation is a process, not an event.Behavioral theories of leadership explain a leader's effectiveness by considering the leader's relative emphasis on Group of answer choices revenue compared to profit. growth compared to market share. transformations compared to transactions. initiating structure compared to consideration behaviors