The starting point for choosing the most effective management leadership style is to observe the people you manage.
If you take the time to study people you will learn more about them than they could ever explain. Tune into their actions, movements, gestures and words add you can create an effective formula for giving instruction and direction.
In one of my sales groups there was an older salesman who had been with the company for more than 30 years. He swore he knew everything and no one could tell him differently. Noticing his posture and aggressive tone, I decided to