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5.
Process Improvement
5.3. Choosing an experimental design 5.3.3. How do you select an experimental design?
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| Foldover
designs increase resolution
Partial foldover designs break up specific alias patterns |
Earlier we
saw how fractional factorial designs resulted in an alias structure that
confounded certain main effects with certain interactions. Often it is
useful to know how to run a few additional treatment combinations to remove
alias structures that might be masking significant effects or interactions.
Two methods will be described for selecting these additional treatment combinations:
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