I applied in-person. The process took 2 days. I interviewed at George Mason University in Feb 2012
Interview
it was easy with the principal investigator. He said "you can do it" We used PC-based psychological test batteries assessing attention, short-term memory and questionnaries It was an awesome time to work for the department of psychology in outreach program overseas
Interview questions [1]
Question 1
The university professor just said I need data from minimum of hundred participants to draw inferences from the ageing study. Now I understand the trend towards big data because the variants are enormous and it requires statistical methods to understand what is going on in ageing brain and mind