The Results from a Two-Factor ANOVA Show No Main Effect

question 43

Multiple Choice

The results from a two-factor ANOVA show no main effect for factor A but a significant interaction. What can you conclude based on this pattern of results?

• A) Factor A has no effect on the participants' scores.
• B) Factor A may have an effect but, if so, it depends on the levels of factor B.
• C) Because the interaction is significant, factor A must also have an effect.
• D) The effect of factor A is constant across all levels of factor B.