Very fast decision making. Case interviews are number driven and have a right answer. First round @ my university: 1 Ci. Second round @ campus in Plano, TX: 2 Ci, 1 Behavioral plus one more Ci at the end after other candidates had left. (This made me think I had the internship :(
Ci questions were about: a shipping company and ways to increase revenue plus calculate break even point and how a decrease in price affects profits; a call center, weighted average of call duration, how to improve drop rate; and the third was about 2 credit cards options which one is more profitable for the company and ways to minimize risk.