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Simple and Complex Experimental Design
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ACT Prep
AS.052 Simple and Complex Experimental Design
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Conflicting Viewpoints: Student 1 says a study with four dosage groups is automatically multi-factor. Student 2 says it can still be one-factor if dosage is the only variable intentionally changed. Which student is correct and why?
A
Neither, because dosage studies must always be repeated measures, for the specific setup, variables, and limits stated in the item.
B
Student 1, because dosage and outcome are two independent variables, when the displayed data and experimental conditions are considered.
C
Student 1, because any study with more than two groups has multiple factors, within the range and context provided by the passage.
D
Student 2, because several levels of a single factor do not by themselves create multiple factors.
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