A bank manager notices that by the time customers get to the teller, they seem irritated and impatient. She wants to investigate the problem further, so she hires you to design a research project to figure out what is bothering the customers.
a. What type of research method would you recommend - exploratory, descriptive or causal? Why?
b. For the one(s) you chose, what specific techniques could the manager use to collect the data? What would be the advantages of the techniques you chose based on the objective of the study?