I want to show 2 product concepts– and have my recipients vote on their preferred of the two concepts. How do I set this up, please?
It sounds like you are looking for the Semantic Differential question type. You can get details on this question type in the SurveyGizmo documentation – https://help.surveygizmo.com/help/semantic-differential
If this is not what you need, please provide some additional information about what you want to do.