Multiple Choice
Dr. Harris conducts a two-factor experiment where she plots her results on a graph and notices that the lines on the graph are not parallel (which is confirmed when she runs a statistical analysis) . This pattern suggests the presence of:
A) only one main effect.
B) two main effects.
C) an interaction between two independent variables.
D) None of the answers is correct.
Correct Answer:

Verified
Correct Answer:
Verified
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