Design of experiments is a statistical methodology for constructing procedures that test how changes to one part of a system affect other parts of it, distinguishing the variables that are deliberately changed from those that must be held constant. It aims to produce results with proper validity, reliability and reproducibility, and is applied across the natural sciences, social sciences and engineering, including in quality by design frameworks. Charles Sanders Peirce laid early groundwork for the field in the 1870s and 1880s by stressing randomization and running one of the first randomized, blinded experiments. Ronald Fisher formalized experimental design as a discipline in his books The Arrangement of Field Experiments and The Design of Experiments, drawing on agricultural research. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Core PrincipleThe design of experiments refers to the construction of procedures that attempt to explain how changes in one aspect of a system will lead to changes in other aspects of a system. 1 FAQs
Where does a design of experiments start?
It starts with the objectives of the experiment and the choice of process factors to study.
It starts before any measurements are taken. According to the NIST Engineering Statistics Handbook, the work begins with determining the objectives of the experiment and selecting the process factors for the study. The aim is a plan that lets the data collected be analyzed to yield valid and objective conclusions, which is why the method is described as an efficient procedure for planning experiments.
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Source Design of experiments (Wikipedia)Wikipedia contributors
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1. Design of experiments (Wikipedia)
Wikipedia contributors, Wikimedia Foundationen.wikipedia.org/wiki/Design_of_experiments, lead section
refers to the construction of procedures that attempt to explain how changes in one aspect of a system will lead to changes in other aspects of a system
en.wikipedia.org/wiki/Design_of_experiments, History, Fishers principles
A methodology for designing experiments was proposed by Ronald Fisher, in his innovative books: The Arrangement of Field Experiments (1926) and The Design of Experiments (1935).
In Field: Industrial Engineering, Categories
Industrial engineering
In Group: Quality Management Methods, Introduction
Correctly designed experiments advance knowledge in the natural and social sciences and engineering, with design of experiments methodology recognised as a key tool in the successful implementation of a Quality by Design (QbD) framework.
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