About a paragraph for each should be ok.
1. Ageism in mass media, and in general, still exists today. What are some common stereotypes about the elderly?
2. What are some cultural or gender difference in how the elderly are viewed?
3. Although studies show that violent television contributes to childhood aggression there are many other biological and environmental factors as well. Please provide an example of those other independent variables.
4. Please define and explain the differences between independent and dependent variables.