Following are some important points/rules to be considered while framing a questionnaire.
1. Questions should be simple and easy to understand and get spontaneous answers.
2. Questions should not confuse the reader and they should give only one meaning.
3. The number of questions should be kept to a minimum.
4. Questions should be such that people with little intelligence and educated ones can both answer without much difficults.
5. The questions should be arranged in a logical order.