I applied online. The process took 1+ week. I interviewed at Pearson (Melbourne) in May 2016
Interview
Conducted a small test to get in wherein they asked about one's numerical,verbal abilities. The test was a 15 minute affair after which introduce you to the entire area. After the interview process, they notify you within a week to confirm your application (is successful or not). It was a quick process and they let you in the loop throughout the entire process.
Interview questions [1]
Question 1
The interview questions are based on your cognitive abilities that one develops at school level. It was a quick affair with more emphasis given on school level abilities.