You are a member of a research team that is beginning a study of the effectiveness of a new drug called Focus on the symptoms of attention deficit disorder. One of the researchers asked 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 no treatment.
b) The null hypothesis states that the dependent variable in this research must be objectively measured.
c) The null hypothesis means the researchers must be blind to the identity of the individuals that are receiving the drug.
d) The null hypothesis means there are no differences in demographic characteristics between the control and the experimental groups.
Question 2
According to a recent meta-analysis, psychological treatment of psychopathy can be successful if
a) conducted in a controlled setting.
b) the patient is older.
c) family members are involved.
d) it is intensive and long-term.
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