According to Fred Fiedler, a leader who describes their Least Preferred Co-worker (LP

Fiedler argued that leadership style is fixed. Low LPC (task-oriented) leaders perform best at the extremes. In highly favourable situations, they get the job done efficiently. When leader-member relations are good, tasks are structured, and the leader has strong position power, a task-oriented leader can focus on maintaining momentum and efficiency.   In highly unfavourable (crisis) situations, or when relations are poor, tasks are unstructured, and power is weak, their focus on the task provides the necessary structure to survive and to bring order to a chaotic environment.     High LPC (relationship-oriented) leaders perform best in the middle or moderately favourable situations.