11. The questionnaire comprises a number of questions, each with a four-point Likert scale for responses. 12. The SSI is rated on a Likert scale and can be completed in 10 minutes. 13. Hence, Likert scales are often called summative scales. 14. Likert scaling is a bipolar scaling method, measuring either positive or negative response to a statement.15. Likert scales typically range from 2 to 10 with 5 or 7 being the most common.16. Questions are in Likert Scale format, with users choosing a response on a scale of 1 7. 17. In fact, there may also appear phenomena which even question the ordinal scale level in Likert scales . 18. Each party is coded on each proposition using the same Likert scale that users are presented with. 19. The VAS can be compared to other linear scales such as the Likert scale or Borg scale. 20. So while a Likert scale is indeed ordinal, if well presented it may nevertheless approximate an interval-level measurement.
