I applied through an employee referral. The process took 3 weeks. I interviewed at Ipsos in Jan 2009
Interview
The phone interview is preliminary, from the HR person. Then a 2 hour in person interview with at least 4 people. A team leader, a team member, an upper-level management person and a phone interview with a Chicago HR person (in the office). Make sure you know about products and also about current commercials & advertisements.
Interview questions [1]
Question 1
What's your favorite commercial on TV right now? Or one that stands out in your memory.
First round was a phone screen with recruiter, then proceeded with a group interview, and lastly interview with VP of the team. The process took about a month. Communication was consistent throughout
First, a phone interview was conducted to determine the time for an in-person interview. The in-person interview lasted one hour and primarily assessed individual abilities; it required a presentation to illustrate a case study.
Interview questions [1]
Question 1
Why did you choose this position and this company?
It was straightforward and an easy process. I was not hired, but they did send me a polite rejection email. You are asked questions about research processes, as well as experiences.