From the last question! which of the following is the independent Variable In experiment A: The presence of the headache B: the experimental drug C: The placebo D: the medical r…

Question

asked Jul 23, 2021 138k views

1 Answer

NeedACar · Answer 1 · 2021-07-28T06:51:52+0000

Answer:

B

Step-by-step explanation:

The experimental drug has a direct effect on the dependent variable which is the presence of the headache.