When the effect of one factor depends on the presence of another factor,outcomes are said to reflect

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When the effect of one factor depends on the presence of another factor, it is called an interaction. An interaction occurs when the effect of one independent variable on the dependent variable depends on the level of another independent variable. For example, the effect of a medication on symptom relief may depend on the individual's age, indicating an interaction between medication and age.

When the Effect of One Factor Depends on the Presence