Facts&Figures

The problem is that I have two teachers in agreeance. The 4 point scale for the restaurant is ordinal and the 7 point scale is interval. I'm trying to figure out why both aren't ordinal. The reason given is that the 7 point scale has labeled a 1 as negative and a 7 as positive. But nowhere does it say that a 4 in mood is twice as good as a 2 in mood. And the numbers may mean different things to different people. Why are so many academics in agreeance?

I'm pretty sure I'm right and the teacher is refusing to change, but I want to double check. For sanities sake. In our textbook, there is an example of a 7 point rating scale that is listed as an interval scale. But in the online test, a 4 point rating scale is listed as being ordinal. Even Quizlet and other test bank style sites list all rating scales as being ordinal scales. Why? Am I really missing something, or is this a failure of school officials to admit they have a bad question that is being repeated in many schools? Edit: For clarity. The four point scale is for restaurants and the seven point scale is for mood. Both, in my opinion, have to be ordinal. Edit: And actually, I think it's the book that is wrong. The example of mood is in our textbook.