Class Nine Notes

Class Nine Notes - Page 1 of 19 Class Nine Agenda &...

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Page 1 of 19 1 Helen Klein, trail runner Rev. February 16, 2009 (5:15pm) F:\SWT\HA4315\Class notes\Spring 2009 version\C_9 Spg 09.wpd Class 9 notes Reduce, reuse, restore, recycle, VOTE Figure 2 Class Nine Agenda & Objectives HA 4315 “I believe that we each have a responsibility to influence those around us. Whether we know it or not, we are influencing them anyway. I just like to make a conscious decision to do it for the positive.” 1 I. Logistics and objectives A. Memory Jogger II , pp. 23-30, cause and effect fish bone diagrams. B. In class exercise on developing a cause and effect fish bone diagram to get at the root causes of one or more of the problem areas from the radiation therapy report. II. Memory Jogger II , pp. 23-30 cause and effect fish bone diagrams. The cause and effect (C&E) diagram is also called a fishbone diagram and an Isikawa diagram, since he invented it. To the right, Figure 1 , I created a generic version of a fish bone diagram with the fish around the diagram. Why anyone picked a fish I don’t know. If we are simply saying that the diagram looks like a spine with ribs then it could just have well been a rat or a human baby lying down. But, the fish won. I prefer the term cause and effect (C&E) diagram and shall mostly use that. The purpose of the diagram is diagnostic. You want to get to the root cause or causes of why some problem is taking place. The process requires development of a descriptive problem statement. A paraphrase of the problem statement goes in the box on the far right, seen in Figure 1 and in all the other examples in this set of notes. In Figure 1 the currently blank boxes connecting the ribs to the spine are the categories of things that are leading to the overall problem. The Memory Jogger II , in Figure 2 uses the example of a pizza restaurant like Dominos having problems with late deliveries on the weekends. This could just as easily be set up as a problem with long waits in the ED (emergency department) on weekends. I plan to create that as a substitute example. Both are taken up below. A. Example of a fish bone diagram See Figure 2 , to the right for the Memory Jogger II example of a fish bone diagram. As noted above, Figure 1
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Page 2 of 19 Rev. February 16, 2009 (5:15pm) F:\SWT\HA4315\Class notes\Spring 2009 version\C_9 Spg 09.wpd Class 9 notes Reduce, reuse, restore, recycle, VOTE Judgments! the idea behind the cause and effect fish bone diagrams is to have a technique which will facilitate finding the causes of a problem, as opposed to looking simply at history, symptoms, or solution implementation requirements. Let’s look now at where the data for what is on the C&E comes from. B. Brainstorming & affinity diagrams as the source data The input data for the cause and effect fish bone diagram is either brainstorming and/or affinity diagrams, or check sheets. Check sheets are simply organized collections of data relative to a process or event. The output of run charts, Pareto diagrams, and control charts would also provide excellent input data for C&E diagrams. Nonetheless, for this stage of use, the input data to the cause and effect fish bone diagram is brainstorming.
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Class Nine Notes - Page 1 of 19 Class Nine Agenda &...

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