Question: What is an interaction effect in an experiment?1.The combined effect of two or more independent variables on the dependent variable.2.A confounding variable that influences the

What is an "interaction effect" in an experiment?1.The combined effect of two or more independent variables on the dependent variable.2.A confounding variable that influences the relationship between the independent and dependent variables.3.When the effect of one independent variable differs across levels of other independent variables.4.A statistical analysis used to identify the main effects of independent variables

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