I applied online. The process took 2 weeks. I interviewed at Gallup (Omaha, NE) in Dec 2014
Interview
Their interview process is very intense. You take a web assessment and then usually an indepth phone interview. You then meet the hiring manager and perhaps other managers fromt he departmnet in a series of 1 on 1 interviews in person.
Interview questions [1]
Question 1
Are you more productive then other people you know.