What is the differencebetween these two questions?

Which question requires a qualitative approach and which one requires a quantitative approach? Explain using key terminology and concepts related to each approach

• Hospital staff in the quality management department begin to notice an increase in in-patient falls.
• One staff member asks: 1) what are the demographic and medical characteristics of each in-patient experiencing falls and what are the frequencies of each characteristic?
• Another staff member asks: 2) From the nurses' perspectives, why are in-patients falling?