I applied online. The process took 1 day. I interviewed at Gap (Stanford, CA) in Apr 2012
Interview
Planned interview online. One group interview with three other people. The interview portion lasted about 30 minutes and consisted of generic questions (ie how did you deal with a difficult customer/ favorite clothing and why/ how would you promote the GAP card). Then we had to browse the store and choose two outfits, one for one of the interviewers to take to Disneyworld and one for outselves to meet the president of GAP.
Group interview with other candidates with the store manager. Arrive at the store and wait for other candidates. Then interview happens in break room and it lasted roughly about 30-60minutes
It was a group interview of about 10-12 people. If I remember correctly they take you to the back, the stock room, and ask almost everyone the same question. The interview lasted about 30 minutes.
It was very easy, one in person interview with the general manager and then I was accepted! Mainly personality and behavioral questions were asked, and I think enthusiasm on my end helped the most.