Ask to see their work and then go with your gut feeling. Don't rely on arbitrary questions or other forms of measurement. When it comes to people, the proof is

Ask to see their work and then go with your gut feeling. Don't rely on arbitrary questions or other forms of measurement. When it comes to people, the proof is in the pudding and when you meet them, what your gut tells you. I would have to imagine this is exactly how the YC application process works.