As you start using InteDashboard you will note that Rating Scale questions are available on 360 Degree Evaluation questions only.
According to Wikipedia this is the definition of a Rating Scale Question: A Rating Scale is a set of categories designed to elicit information about a quantitative or a qualitative attribute. In the social sciences, particularly psychology, common examples are the Likert response scale and 1-10 rating scales in which a person selects the number which is considered to reflect the perceived quality of a product.
Here's how the question editor looks for Rating questions on InteDashboard.
For more information please review the following article: The Questions Bank