Typical interview with the head of the lab and the lab members. You give a presentation in the morning, meet with 4-5 lab members individually, go out to lunch and conclude with a meeting with the boss. An offer can them be given in person by the end of the day or you may be told you will be contacted shortly.

Applied online. Got an email from a professor. Had a video interview first followed by an on site visit. Discussed research mostly, had a good experience. Met the other members of the research group and saw their lab