Which of the following is true of interactions?
A. When there is a statistically significant interaction, researchers need to carefully examine the means to understand why the interaction occurred.
B. The concept of interaction is a relatively complex one that people seldom use.
C. An interaction shows that the effect of one independent variable does not depend on the particular level of the other.
D. Interactions are a new source of information that can be obtained through a simple experimental design.
Answer: A
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