Which research questions would be the most effective in researching the effects of television on children? check all that apply. what are the most popular television programs among different groups of children? how many hours each day does the average child spend watching television? how does watching television every day impact children's brains? how do different television programs influence children's views about society? does the majority of children prefer watching movies or television? is there a relationship between children's physical fitness and their television viewing habits?

I consider that I would select the following for the reasons I will describe:
- How many hours each day does the average child spend watching television?: This would investigate in order to check if there is a correction between the hours a child watches television and the development of the child.
- How does watching television every day impact children's brains?: This question I consider crucial to understand if there is a correlation between the use of television and the neurological development of the child.
- How do different television programs influence children's views about society?: This question would help in an investigation of the development social area.
- Is there a relationship between children's physical fitness and their television viewing habits? : This question would help to better understand the influence of television on the behavioral development of children.

I hope my answer can help you.