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Design of Experiments - US Army Conference on Applied Statistics

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Module 5 – Summary<br />

1. Split-plot designs are comm<strong>on</strong> in industry.<br />

2. They are not comm<strong>on</strong>ly recognized as being split-plot designs.<br />

3. As a result, these designs are mistakenly analyzed using OLS.<br />

4. Explicitly, taking randomizati<strong>on</strong> restricti<strong>on</strong>s into account makes the<br />

design process more ec<strong>on</strong>omical, <str<strong>on</strong>g>of</str<strong>on</strong>g>ten more statistically efficient<br />

and more likely to produce valid analytical results.

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