1. THAO-THO
SOME THINGS NEED TO BE DONE
BEFORE MAKING THE
QUESTIONNAIRE:

2. 1.Identify
2.Substantive content
3.Conduct some interviews
4.Difficulties when conducting
interviews with questionnaires

3. Validity and reliability of the data
•Validity
•Reliability

4. 0PEN AND CLOSE QUESTIONES
CLOSE QUESTIONS:
• Dichotomous questions
• question about order
• question mark situations in the list
• multiple choice questions
• Ladder question
0PEN QUESTIONS:

5. some attention when designing
questions
• Avoid vague words in question
• Avoid a question for many different
Avoid negative problems
questions • Avoid general questions
Avoid questions that • avoid long sentences
• Avoid technical terms
respondents do not • Avoid asking the problem requires
have the necessary too much memory
knowledge