Suppose an Independent Variable Does Not Have Any Effect on the Dependent

question 53

Multiple Choice

Suppose an independent variable does not have any effect on the dependent variable in a single-factor experiment.Which of the following is one of the reasons for being cautious about saying that the independent variable is irrelevant?

• A) We know the independent variable could interact with another independent variable when used in a complex design.
• B) We can assume this independent variable would not have an effect if different levels of the variable had been tested.
• 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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