is her/his span of control.

In a hierarchical business organization of some time in the past it was not uncommon to see average spans of 1-to-4 or even less, i.e., one manager supervised four employees on average. In the 1980s, corporate leaders flattened many organizational structures, causing average spans to move closer to 1-to-10. That was made possible primarily by the development of inexpensive information technology. As information