Google PM interview, one question on experimentation that felt deceptively simple but had a lot of layers once I started talking through it.
“I started with the basics, hypothesis, control vs treatment, sample size, and it felt fine until they pushed on how I'd handle network effects or situations where users influence each other.” The rest of the author's notes on Product Manager interview at Google, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.