【正文】
ed to design a questionnaire. ? Tips: 1. write multiplechoice questions ? 2. ask one question at a time ? 3. use simple language ? 4. give specific time references ? ? Conduct the survey ? Tips: 1) don’t fet to take down some simple notes for later use ? 2) calculate the results. Add up total number for each response and then calculate the differences between answers given by boys and girls Homework ? Conduct a survey and present an oral report in three days. ? I believe that you can do a good job