1. Gather context about the product, problem, and target customer.
2. Define the primary research goal for the interviews.
3. Identify the specific target customer segment to interview.
4. Determine the constraints for conducting the interviews (time, access, budget).
5. Select an appropriate interview methodology based on the goal, segment, and constraints.
6. Generate a tailored interview plan with an opening, core questions, and closing.
7. Review biases to avoid and success criteria.