When the Means for a Two-Factor Study Are Displayed in a Graph

question 42

Multiple Choice

When the means for a two-factor study are displayed in a graph and the lines in the graph are perfectly parallel, what can you conclude about the main effects and interaction?

• A) There is no main effect for either of the two factors.
• B) There is a main effect for both of the two factors.
• C) There is no interaction between factors.
• D) There are no main effects and no interaction between factors.

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Definitions:

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