CHAPTER 5

Visual Signaling for Visual Control

To be able to control his own performance a manager needs to know more than what his goals are. He must be able to measure his performance and results against the goal. It should indeed be an invariable practice to supply managers with clear and common measurements in all key areas of business. These measurements need not be rigidly quantitative; nor need they be exact. But they have to be clear, simple and rational. They have to be relevant and direct attention and efforts where they should go. They have to be reliable …. And they have to be, so to speak, self-announcing, understandable without complicated interpretation or philosophical discussion.

Drucker (1954, p. 131)

There are some key points ...

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