The Five-Act Interview This structured conversation helps the customer get comfortable, establishes some background, and ensures that the entire prototype is reviewed. Here’s how it goes: 1. A friendly welcome to start the interview 2. A series of general, open-ended context questions about the customer 3. Introduction to the prototype(s) 4. Detailed tasks to get the customer reacting to the prototype 5. A quick debrief to capture the customer’s overarching thoughts and impressions