Interview three people of different age, gender and socio-economic groups . Ask each one how aware he or she is about the following questions, and find out each person's opinion on these questions:
1. Can you estimate U.S. population size? What do you know about the world population size?
2. Are you at all worried about world over-population? Why? Or why not?
3. Do you think over-population has any effect on you personally? If so, in what way?
4. How many children do you have or want to have? Why do you feel this is the appropriate number of children for you?
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