Explanation: The four styles of leadership identified by the HerseyBlanchard theory are telling, selling, participating, and delegating. This model was developed by Paul Hersey and Kenneth Blanchard in the late 1970s. The appropriate style of leadership in a particular situation depends on the sophistication and experience of the subordinates. The range, from least sophisticated audience to most, is telling, selling, participating, and delegating. Telling is explicit instruction, while selling is more general encouragement and inspiration. Participating is working alongside employees, and delegating is setting goals and assigning responsibility to others.