What is the difference between quantitative and qualitative research?

Discuss a time when you may have experienced mental accounting, regret avoidance, disposition effect, or framing in your financial or business decision making.
December 22, 2020
Why would a person want more crystallized than fluid intelligence?
December 22, 2020

Question 1
What is the difference between quantitative and qualitative research? Give an example for both.
Question 2
Explain the connection between research and theory in criminal justice. How is theory derived from empirical findings and then applied to criminal justice policy?