The process took 3 days. I interviewed at Baxter in May 2010
Interview
Three days/rounds of interviews:
Day 1: Interviewed with hiring manager, hiring manager's boss, and three of the hiring manager's coworkers.
Day 2: interviewed with hiring manager, one coworker of hiring manager, and HR rep #1.
Day 3: interviewed with hiring manager, and HR rep #2.
Each interview was about 30-45 minutes in duration. Interviewing took place at the facility itself. One call on day/round 1 of interviewing was a teleconference (audio not visual) with someone off site.
Each person asked different types of questions focusing on various attributes: work experience, personality, work habits/behaviors, personal philosophy, etc.
Total process took approximately 2 weeks.