How is it possible to write a negative score (-1 to 1) rather than a normal range of 0 - 1 in a SCORM 2004 course?
Well, the short answer is that some people wanted it too. Imagine that you had a game that was like Jeopardy. The best player might end up with scores like this:
The worst might look like this:
It just allows for scores that express something other than a traditional percentage.