I have 94 questions consists of favorable questions and unfavorable questions.
Can I use “radio button grid” for my questionnaire for different value? How?
Or I must use likert value, build one by one?
I am not sure if I fully understand but hopefully I can help out. The main thing to note is that a grid question has one set of columns for all rows (there is no option for different column labels for different rows).
If that is what you are looking for, then unfortunately the one by one likert scale option will be the best option. Please feel free to clarify if I misunderstood what you are trying to do.