You are a member of a research team that is about to begin research on the effectiveness of a drug called Relax on the symptoms of anxiety. One of the researchers asks you to describe the null hypothesis for this study. What will you say?
A. The null hypothesis states that the drug's effect will not differ from any treatment.
B. The null hypothesis states that the dependent variable in this experiment must be objectively measured.
C. The null hypothesis means the researchers must be blind to the identity of the individuals who are receiving the drug.
D. The null hypothesis means there are no differences in demographic characteristics between the control and the experimental groups.
Answer: A
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