student version - Ch6 - part 1

Place the problem or symptom being explored at the

This preview shows page 17 - 26 out of 33 pages.

Place the problem or symptom being explored at the right, enclosed in a box. Draw the central spine as a thick line pointing to it from the left. Brainstorm to identify the "major categories" of possible causes (not less than 2 and normally not more than 6 or 7)?
Image of page 17

Subscribe to view the full document.

Major Causes are often broken down into six major areas: M aterials M achine/Equipment M ethods/Work Methods M an/People M easurement M other Nature (Environment)
Image of page 18
Brainstorming Determining all the minor causes requires brainstorming by the team. How to brainstorming: 1) Each member of the team should have an opportunity to give an idea . This insures that one of two members don’t dominate the session. 2) Quantity of ideas more important that quality Often, one person’s idea will trigger someone else’s idea and a chain reaction occurs. Frequently a trivial idea will lead to the best solution.
Image of page 19

Subscribe to view the full document.

Brainstorming (cont.): 3) Criticism of an idea is not allowed . There should be free wheeling exchange of information that liberates the imagination. All the ideas are placed on the diagram. Evaluation of the ideas comes later. 4) Visibility of the diagram is a primary factor of participation. It must be big enough to capture even minor causes and placed for maximum visibility.
Image of page 20
Brainstorming (cont.): 5) Create a solution-oriented atmosphere as opposed to a gripe session. Focus on solving the problem Vs how it began. The team leader can help by asking questions using why, what, where, when, who and how. 6) Let the ideas incubate (overnight). Give members copies of the list and reconvene. When no more ideas surface, the activity is terminated.
Image of page 21

Subscribe to view the full document.

Diagram Evaluation After the C & E diagram is complete, it must be evaluated to determine most likely causes. One procedure is for team members to vote for most likely causes. Solutions are developed to correct the causes and improve the process. Criteria to judge possible solutions should include cost, feasibility, resistance to change, training required, and so on. C & E have unlimited application in research, manufacturing, marketing, office operations…
Image of page 22