How can we create linear scale question?
Can you clarify or perhaps share an example of what you are looking for? I’m not sure if I understand your question.
Could you be looking for the Slider Question Type? Check out this help article for more detail: https://help.surveygizmo.com/help/slider
Also, check out the Rating (Likert Scale) Type:
You can customize the labels under the layout tab:
Also, Dominic Sharpe suggested the Semantic Differential, here is a screen shot of that example::
You can customize the labels under the Questions tab:
I think the Semantic Differential question might be what you are looking for. Check out the Help Document here:
It is something like at below: