The following attributes belong to the survey-scale property:
| Attribute Name | Purpose | Values |
|---|---|---|
| highest | Sets the scale max value. | Integer; default is 5. |
| lowest | Sets the scale min value. | Integer; default is 1. |
| range-upper | Sets the bar plot max value. | Integer; default is not defined. |
| range-lower | Sets the bar plot min value. | Integer; default is not defined. |