Finally, there’s the Interviewer, who will use the finished prototype to conduct Friday’s customer interviews. On Thursday, he should write an interview script. (We’ll go into detail about the structure of this script in Chapter 16 on page 201.) It’s best if the Interviewer doesn’t work on the prototype. This way, he won’t be emotionally invested in Friday’s test, and won’t betray any hurt feelings or glee to the customer.
