Which of the Following Is One of the Reasons for Being

question 5

Multiple Choice

Which of the following is one of the reasons for being cautious about saying that an independent variable is an irrelevant independent variable if the variable did not have an effect in a single-factor experiment?

• A)We can assume that this independent variable would not have an effect if different levels of the variable had been tested.
• B)We know the independent variable could interact with another independent variable when used in a complex design.
• C)We know that experiments in which an independent variable does not have an effect are inherently uninterpretable.
• D)We know that single-factor experiments cannot be used to identify relevant independent variables.

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