A study interested in the effect of students' perceived utility of the course on their course performance asked students at the beginning of the quarter how useful they think the course is going to be. Students indicated their perceived utility of the course using a 5-point Likert-type rating scale ranging from 1 (not useful at all) to 5 (extremely useful). Which level of measurement describes the variable?
1) Nominal
2) Ordinal
3) Interval
4) Ratio