11.B 12.A 13.C. 14.B 15.D 16. False. 17.True 18. True 19.True.
Answer:
The variable that will change in response are the GAD symptoms
Explanation:
We have two variables here, the independent variable ,which is the Drug R dosage and the dependent variable which are the GAD's symptoms measured in the Hamilton Anxiety scale. So then, the variable that should change in function of the Drug R dosage are the symptoms of Anxiety
Yes because the contract was not fulfilled therefore is null in void
