Possibly... I meant "evangelical" in the sense of "member of one of the sub-sects of Christianity which actively evangelise". There may well be a capital-E Evangelical church as well, just to confuse things...

I'm afraid I don't recall seeing the observer taking any sort of notes. A pity. From there they could branch out into customer satisfaction surveys - "Please rate your proselytising experience from 1 (poor) to 5 (excellent) in each of the following categories:".