![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Secondly, even if we know that dominance, intelligence, or tallness is associated with effective leadership, we have few clues about what dominant or intelligent or tall people do to influence others successfully. _____________, we have little information about how to train and develop leaders and no way to diagnose failures of leadership. And finally , the most crucial problem of the trait approach to leadership is its failure to take into account the situation in which leadership occurs.