224 SECTION 7 TOOLS FORPROBLEMSOLVING, DECISIONMAKING, ANDQUALITY
- Identifies trends by tracking a quality measure over a period
of time. - Is usually tracked against a standard.
- Makes it easier to visualize trends and detect
problems. - A straightforward bar graph that tracks a quality
measure by cause(s), source, or type. - Highlights what to work on.
- A straightforward way to collect information in
preparation for analysis. - Highlights what to work on.
- Maps a process in a common format.
- Is used to identify trouble spots or non-value-adding steps
and to plan improvement, particularly
simplification. - Clearly shows the relationships between effects and multiple
causes. - Is particularly useful when the situation is messy and
complex. - Used to test how two quality measures are related.
- Can help point out (rule out) cause–effect
relationships.
Mears, p. 62
Mears, p. 36, “Purchasing Problems”
Mears, p. 25, “Defective Item Check Sheet”
Mears, p. 20, “Burger Cooking Flowchart”
Mears, p. 55, “Quality Copies”
Mears p. 58, “Scatter Diagram”
Run Chart
Pareto Chart/
Diagram
Check Sheet
Flowchart
Cause–Effect or
Fishbone
Diagram
Scatter Diagram
or Correlation
Chart
The Quality
Tool What it is and what it is useful for: What it looks like: