The experimental can be at any point. You’ll know that the experimental section was the section you had a repeat of (meaning if you have two RC sections you’ll know the experimental was one of them) but, during the test, there’s no way to know which of the two is the experimental.
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The experimental can be at any point. You’ll know that the experimental section was the section you had a repeat of (meaning if you have two RC sections you’ll know the experimental was one of them) but, during the test, there’s no way to know which of the two is the experimental.