I. Design a questionnaire for the research you are conducting, or you may choose a more general topic of investigation. Y ou should make use of the six types of questions you have learned in this chapter. Use each type of the questions at least once in your questionnaire. S ome general topics are listed below: • T raffic restriction in big cities • U ndergraduates ’ marriage at college • H and washing in daily life • F amily planning policy • F ood quality in the college dining hall • S moking among students • H uman cloning experiments • U sing animals in medical experimentation