Correcting a 'very average' audience research questionare!

The aim of our lesson for to study a very average questionnaire, correcting each of the question's to how we see necessary. The point was to make them more detailed and specific to anyone answering it, it was also important that each question can gain as much information through provoking one answer. The questionnaire lacked certain demographics which are important in gaining detailed and informative results, the demographics include such things as Age, gender and occupation. I believe it's important to learn the income bracket of the people filling the questionaire, it can help us understand whether it is the rich or poor population that are are downloading illegally. Another question you can ask is whether people downloading music can tell the difference between (in quality)legal and illegal music, and their motivation behind downloading.