© 2004 Cayman Business
Systems
Rev:
Pre-G3 - Rendered Thursday,
February 12, 2004
•Analyze
Potential Causes
•Use the iterative
process to analyze each potential cause.
∆Hypothesis generation: How does the potential cause
result in the problem?
∆Design: What type of data can most easily prove/disprove
the hypothesis?
∆Preparation: Obtain materials and prepare a check
list.
∆Data Collection: Collect the data.
∆Analysis: Use simple, graphical methods to display
data.
∆Interpretation: Is the hypothesis true?
•Investigate several
potential causes independently.
•Use an action plan to
manage the analysis process for each potential cause being studied.
•Validate
Root Causes
•Clearly state root
cause(s) and identify data which suggests a conclusion.
•Verify root cause
factors are present in the product and/or process.
•Conduct with / without
study to verify root cause. Can you generate the problem?