Company XXX wants to start a program to have all employees participate in volunteer activities in their community. Dr. Barrone is tasked with doing a study on whether providing a training about volunteer opportunities impacts volunteerism versus just telling people it is desired as a citizen. She collects information about current volunteerism, church attendance, family size, hours worked, and political affiliation. Three months after the training, she determines if the training has increased volunteer activities of the employees. How many dependent variables are in the study? 1 2 4 5