"McClelland and other investigators (e.g. McClellend & Boyatzis, 1983: McClelland & Burnham, 1976; Stahl, 1983) found evidence that effective leaders in large, hierarchical organizations tend to have a strong need for power, a fairly strong need for achievement, and a relatively weaker need for affiliation (Yulk, 1989, p261)." Do you belive it is still relevant in the current business environment? Why or Why not? Use at least two real life examples to support your argument.