The four year degree is treated as the safe option and the thing you do if you are unsure. It is a large commitment and it deserves to be chosen rather than defaulted into.
Most questions families get stuck on about school have a person whose actual job is answering them. The difficulty is knowing which person, and how to ask.
The three main sources of information about a school are each reliable for something and misleading for everything else. The trick is matching them to questions.