They are long so plan to spend a whole day there . It's a draining process especially since they claim it is because eventually you will become permanent . This is really the carrot they use to bait you. Now this is solely for the Quality organization both commercial And Clinical. Come prepared to deal with all types of personalities from People who will belittle your job role and how important you felt it was to others who simply will Play on their smartphone as if they have better things to do.