That's a really thorough answer - wish I could upvote more than once! I'll put this into practice, and I'm going to start by building the survey you describe.

That's a really thorough answer - wish I could upvote more than once! I'll put this into practice, and I'm going to start by building the survey you describe. Do you have any pointers as to what questions I should be asking, or know of an example I can learn from?