I would like to clear some very important aspect about questionnaire, As I was making content for our project in which we have to make format,and which type of questions to be asked.
Always asks the question related to the main topic,like be straight to the point without turning or twisting the goal of the project
Questionnaire plays very vital role to generate information inexcess and helps to gauge near about,accurate data
Please do refer questionnaire format which includes
likert question etc.