The following points are considered while framing a schedule/questionnaire. 

1. Questions should be simple and easy to understand to get spontaneous answers. 

2. Questions should not confuse the reader and they should give one and only one meaning. 

3. The number of questions should be kept minimum. 4. If possible the questions should be capable of getting a definite answers, with either yes or no, a number, a place or a date etc., 

5. Questions should be capable of tabulating. 

6. The questions should be such that the least intelligent and a educated can answer them with least trouble 

7. The questions should be arranged in logical order. 8. The questions which hurt the feelings of the informant and which are of personal and confidential nature should be avoided. 

9. A far as possible the questions put should be corroborator at least on the point of importance. 

10. The questions should pre-tested in a small group of individuals before it is used. 

11. Questionnaire should look attractive. 

12. If possible a covering letter is attached along with the questionnaire.