What Is the Basic Assumption of Situational Approaches to Leadership

What is the basic assumption of situational approaches to leadership?

A) Increasing worker job satisfaction through considerate leadership will get the best results.
B) Initiating structure for employees so they know exactly what needs to be done will be most effective.
C) The appropriate leader style will vary from one set of circumstances to another.
D) Effective leaders can be identified by certain traits.
E) Some factors make leader behavior unnecessary.