In order to evaluate the effect of a drug over a disease a pharmaceutical company wants to perform a study comparing the effect of the drug with placebo. The drug and the placebo will be delivered to both male and female patients to verify any possible different response of the two sexes.
The effect of the drug will be measured in 10th of reduction of any of the 5 possible symptoms of the disease.
How many factors and dependent variables does this analysis have?
Which are they? Should the threshold for the test of each dependent variable be 5%? Explain your answer.