Question: reowrd- A main effect is present if, when averaging across the levels of Factor B, the values for Factor A (across its levels) are different.
reowrd- A main effect is present if, when averaging across the levels of Factor B, the values for Factor A (across its levels) are different. In the graph, both lines (solid and dotted) show a clear increase as we move from left to right on the x-axis. This suggests the dependent variable increases with the change from A1 to A2, indicating a main effect of Factor A
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