A bank manager notices that by the time customers get to the teller, they seem irritated and impatient. The manager wants to investigate the problem further, so you are hired to design a research project to figure out what is bothering the customers. The bank wants 3 studies.

• Several focus groups of their customers.
• Observation using a hidden camera
• An online survey of 500 customers.

Determine which studies are qualitative, and which are quantitative with supporting reasons why.