Okay, even though this is for a marketing project and I suspect that there are more than a few of us who are engineering-types whose stated goal in life is to make the lives of our favorite marketing people -- er, 'interesting' -- even so, I will answer your questionaire.

Sex: male
Age: 48
Marital status: married
What kind of hybrid car do you own?: honda civic hybrid
Income range to the nearest $10,000: sorry. isn't that a typical marketing question? ;-)
Do you live in a densely populated area?: is suburbia dense enough?
Do you consider yourself, environmentally conscious (and did this affect your decision to buy a hybrid car)?: moderately so
What was your reason for buying a hybrid car?: to help save the world by reducing oil consumption and foreign oil dependency
Would you recommend them to friends?: I have done -- three conversions so far, one on the way
Would you buy another hybrid, and if so would you buy the same type and brand?: yes, and yes. but being a thorough person by nature, I will probably explore other hybrid options as well, and even consider diesel or diesel-hybrid if it becomes clean enough to pass CA standards.