Most people aren't measured against results. The candidate isn't aware of what they are supposed to do. MBOs are often set after the person has been aboard for 6 months. Most interviews are focused on candidates getting the job, not in succeeding in doing the job. There is no correlation between interviewing skills and performance to the job.
Sales generally hire someone who is a good gabber.
Get them to buy into a brief period of time to structure the interview. Take 15-20 minutes to structure the interview. Mentioned DDI method - teaches behavioral interviewing but is extremely cumbersome. Barry gave an example of a performance profile. Barry gave an example of a manufacturing client who was looking for a director of operations.