Based on personality.
Answered - pre-sales (Former Employee) - Phoenix, AZ
You'll start with a brief phone interview to make sure you have the right potential for the job. Then you'll interview in person with at least 1-2 managers. If they want to offer you a job, you'll know pretty quickly.
Answered - Marketing Expert (Current Employee) - Plano, TX
I did a phone interview to make sure I knew everything about SOX and PCI.
Answered - Technical Writer (Contract) (Current Employee) - Woodland Hills, CA