Think about a situation where you have a test for a virus. First, you are tested positive or negative. Second, you either really do have the virus or you don't.
a. If you actually have the virus but the test did not catch it, which error has been made and what is the impact of that error?
b. If you actually don't have the virus but the test says you did, which error is being made and what is the impact of this error?
c. Which error is the worst one to commit in this situation and why?
Question 2
In explaining starting salaries for graduates of psychology programs, which of the following independent variables would not best be represented with dummy variables?
a. Marital status
b. Grade point average
c. Race
d. Gender