"What's Your Model?"

I'm reading Darrin Patrick and Matt Carter's book, For the City: Proclaiming and Living Out the Gospel, and I was blown away by this passage:

During our conversations, the assessment team and I had open and honest debate about an appropriate philosophy of ministry. Our interactions were friendly and loving, not adversarial . . . All of my conversations with them, though, came down to one piece of advice and one basic question: "We think you should have a model. Which one will you choose?"

So I...