Email the professor, have a conversation. Then they will usually ask about your relevant classes and determine if you are a good fit. Usually strong interest will get the job.
I applied through university. The process took 1 day. I interviewed at Duke University in Jun 2008
Interview
The principal investigator asked extensively about about my research interest and educational background, toured around the lab and explained the ongoing projects in mind for the coming year
I applied online. The process took 2 weeks. I interviewed at Duke University (Durham, NC) in Apr 2025
Interview
Had a great interview but have not heard back, so wondering if this is common. I have been waiting to hear back now for 30 days. I really loved the location.
I applied online. The process took 4 weeks. I interviewed at Duke University (Durham, NC) in Sep 2024
Interview
It was a quick 60 minute chat with a behavioural interview followed by a technical round related to research writing. The interviewer was warm and friendly. It was conducted online via Zoom and we worked collaboratively on a google doc to look at my writing and research process.