In a patient satisfaction survey, patients rate their level of satisfaction with the healthcare organization, from 1 to 5. What is this type of method called?

• A. Interval scale
• B. Nominal scale
• C. Binary rating
• D. Likert scale

Answer: (D)

A Likert-type rating scale uses ordered response options to measure attitudes or satisfaction. When patients rate their satisfaction from 1 to 5, the numbers reflect increasing levels of satisfaction, giving you ordered categories. This makes the data ordinal: you know that a higher number means more satisfaction, but the exact difference between adjacent points isn’t guaranteed to be equal. That’s why it’s not considered a strict interval scale, which requires equal intervals between points and a meaningful zero.

This format differs from a nominal scale, which would have categories without any inherent order, and from a binary rating, which has only two options. In practice, researchers often aggregate multiple Likert items to create a composite score and may treat the result as interval for analysis, but for a single item, the correct classification is a Likert-type ordinal rating.