Don't beat yourself up..I'm sure you did great. I was accepted to a school a few weeks ago and my interview only lasted 5-7 minutes. I felt the same way but you probably answered there questions well enough that they felt no need to further "investigate"....I will keep my fingers crossed for you, I'm sure you will get in. I'm positive.
My new dillemma....My interview for Murray State is the 12th and the school I mentioned above will not extend my placement confirmation and deposit past the 11th...ahhhhhhhh!!!!! I like the school a lot and there are many positives to the program but I wanted to keep my options open because I really thought Murray State might be great...but now I'm in a pickle, I really thought I would have longer to decide. I take the risk of traveling way out of state and not being accepted (i'm sure they give preference to in state applicants first, most schools do) and then losing my spot at the other program....GAaaaahh! The stress. I guess it could be worse...hahaha
I'm going to sleep on it and decide tomorrow..Anyhow, thanks for the information, you are very kind, and I wish you the best of luck,,,don't worry yourself sick,,,You've got this!