I applied through college or university. I interviewed at Gartner
Interview
First a few phone calls and phone interviews with a recruiter. Then a video interview that was one hour long: first part was behavioral, second part was a case study.
The first round interview is about an hour long before engaging in an approximate 4 hour super day. The super day contains 3 interviews about 45 minutes each, with one of them being a technical interview.
I applied online. I interviewed at Gartner (Stamford, CT) in Oct 2020
Interview
Introductory conversations with a recruiter, a first round interview consisting of a behavioral and short case study, followed by a superday with three different interviews including two behavioral and one longer case study
Interview questions [1]
Question 1
Tell me about a time you helped someone make a difficult decision?