Former Goucher postbacc here. Interviews are pretty standard: walk me through your CV stuff with a couple more probing Why medicine? Why now? questions peppered in. They basically want to confirm that you are who you claim to be, so if you received an invitation congrats! You can still get dinged on interview day however, so tread carefully. The Director is evaluating every micro expression and gesture you make, especially on your "informal" lunches. Seriously, it's absurd so don't check your phone-at all. Polite conversation and effusive displays of gratitude are advised. People here are kind of full of themselves, not in a boastful manner. However, they will judge you hard if you neglect any Victorian niceties. Also, dress to impress.