"The reality is you should take time to understand the problem and collect a little bit of data, try to get at what is the root cause of the problem." Many leaders evaluate work after it has been completed, and provide employees feedback based on the quantity and quality of output. Mabrouk stresses the importance of observing the work while it is progress.
It may be possible to observe people who have a better technique that eliminates movements and speeds up the process. Such small innovations can be shared with others.