rules, policy and regulation.
For each category, list a few causes. Out of all the causes you have identified, what are the most critical ones for the long waiting time?
(Note: The cause-and-effect diagram (also called fishbone diagram or Ishikawa diagram) is a causal diagram that helps identify and organize possible causes of a specific problem. It was created by Kaoru Ishikawa (1968), one of the key contributors to modern quality management. Cause-and-effect diagrams have been widely used as one of the most useful tools in quality management. Below is an example of cause-and effect diagram showing the causes in the four categories for a delivery problem in a pizza shop.)
