How many factors should a well-designed experiment test at one time? 1 2 3 depends on the number of experiment variables

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asked Oct 8, 2017 32.0k views

1 Answer

Marco Biscaro · Answer 1 · 2017-10-14T04:59:17+0000

only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.