December 2002
Intermediate to advanced
848 pages
20h 22m
English
Content preview from The Six Sigma Handbook, Revised and Expanded, 2nd Edition
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17.4. TYPES OF DESIGN
Experiments can be designed to meet a wide variety of experimental objectives. A few of the more common types of experimental designs are defined here.
Fixed-effects model—An experimental model where all possible factor levels are studied. For example, if there are three different materials, all three are included in the experiment.
Random-effects model—An experimental model where the levels of factors evaluated by the experiment represent a sample of all possible levels. For example, if we have three different materials but only use two materials in the experiment.
Mixed model—An experimental model with both fixed and random effects.
Completely randomized design—An experimental plan where the order in which the experiment ...
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