I applied online. The process took 2 weeks. I interviewed at ASDA in Apr 2016
Interview
Turned up at the customer service desk asked to wait for the person conducting the interviews and group selection, was given a name badge.
Introduced myself to about 10 people answered sone group questions, completed a couple of group tasks took around 40 mins
Followed by an 10 minute interview (pretty standard interview)
Then worked on the shop floor tidying shelves etc.