Rating scales define how responders evaluate each question in your questionnaire.
A well-designed rating scale ensures that responses are consistent, meaningful, and easy to interpret.
What is a Rating Scale?
A rating scale is the set of values responders use to answer a question.
For example:
- Numeric scales (e.g., 1 to 5)
- Agreement scales (e.g., Strongly Disagree to Strongly Agree)
Each point on the scale represents a level of performance, behaviour, or agreement.
What You Can Do on This Page
In the rating scale design area, you can:
- Create or edit rating scales
- Define scale values and labels
- Apply scales to questions
- Adjust how responses are presented in reports
Choosing the Right Scale
When designing your rating scale, consider:
Number of Points
Common options include:
- 5-point scales (most commonly used)
- 7-point scales (more detailed)
Fewer points are easier for responders, while more points allow for greater differentiation.
Clear Labels
Each point on the scale should be clearly defined.
For example:
- 1 = Needs Improvement
- 3 = Meets Expectations
- 5 = Exceeds Expectations
Clear labels help ensure consistent interpretation.
Consistency Across Questions
Use the same scale across similar questions whenever possible.
This:
- Makes the questionnaire easier to complete
- Improves comparability in reports
Using “Not Applicable” or “No Opportunity to Observe”
In some cases, responders may not be able to answer a question.
Including an option such as:
- Not Applicable
- No Opportunity to Observe
can help improve data quality by avoiding forced or inaccurate responses.
How Rating Scales Affect Results
Your rating scale directly impacts:
- How easy it is for responders to answer questions
- How results are interpreted in reports
- The ability to compare scores across subjects or groups
Careful design leads to more reliable and actionable feedback.
Reviewing Your Rating Scale
Before launching your project, review:
- Whether scale labels are clear and consistent
- Whether the number of scale points is appropriate
- Whether the scale aligns with your project objectives
Previewing your questionnaire will help ensure the scale works as expected.
Tips for Designing Rating Scales
- Keep scales simple and easy to understand
- Use clear, descriptive labels
- Avoid overly complex or ambiguous wording
- Be consistent across your questionnaire
- Include a “Not Applicable” option when appropriate
Related Pages
- Building Your Questionnaire
- Editing Questions
- Organizing Sections and Headings
- Previewing the Questionnaire
