In an experiment to study a new athsma medicine, a group of 10 people were given different doses of the medicine. 10 other people were given a sugar pill. All participants were asked to report any improvement of their symptoms. They were also asked to report if there was no change at all, or if there were side effects. a. based on the above: what is the control group and what is the experimental group. b. what is the dependent and independent variable?