A two-factor research study is used to evaluate the effectiveness of a new blood

Question

A two-factor research study is used to evaluate the effectiveness of a new blood-pressure medication. In this two-factor study, Factor A – Medication, has 2 levels (i.e., receiving medication versus no medication condition) and Factor B – Gender, has also two levels (i.e., males versus females) Overall, the medication is expected to reduce blood pressure for both males and females, but it is expected to have a much greater effect for males than females. What pattern of results should be obtained in this study, if the medication works as predicted?

A. A significant main effect for Factor A - Medication B. A significant main effect for Factor B - Gender C. A significant main effect for Factor A-Medication, and a significant interaction between Factor A (Medication) and Factor B (Gender) D. None of the above.

Explanation / Answer

The right answer is:

C. A significant main effect for Factor A-Medication, and a significant interaction between Factor A (Medication) and Factor B (Gender)

Because-

1. Medication works for both

2. BUt it works for more on woman

3. So there is some interaction of medication with gender.

Hence, answer is C.

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