Is a designed experiment the same as a controlled experiment
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Is a designed experiment the same as a controlled experiment

[From: ] [author: ] [Date: 12-06-22] [Hit: ]
or other) does not have a control. All factors are varied and the comparisons are strictly within vs. between to identify statistically significant factors. It assumes adequate process control to be able to vary the factors to meet the needs of the experiment.In a controlled experiment, there is a specific control which does get treatment that all varied or treated trials are measured against.......
Stats question.
Thanks!

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No.

A Designed Experiment (Either a 2^k design, or centerpoint design, or other) does not have a control. All factors are varied and the comparisons are strictly within vs. between to identify statistically significant factors. It assumes adequate process control to be able to vary the factors to meet the needs of the experiment.

In a controlled experiment, there is a specific control which does get treatment that all varied or treated trials are measured against. (Certainly it can be the case that if you have multiple treatments comparisons between the treatments is performed. The key is the existence of a control.)

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