Leadership means getting along with people. Leadership comes from the personality traits of the leader, not from methods and techniques. If the leader tires, then all become tired. Leaders talk little. The leader works in the open, and the manager works in the covert.
Charlatanism is to some degree indispensable to leadership.
Leaders are born, not made. The weakness of the many makes the leader possible. There is one best way to lead others. This means giving them a reason, or hoped-for outcome, in order to motivate them to take the assessment seriously. The inventory takes about thirty minutes to administer.