Doctors need to do more to get parents to end screen time for their children under two years of age. Screen time doesn't just mean television. It means smartphones, tablets, and computers, too. Doctors have warned us about screen time for about thirty years. Despite this,
screen time for this age group is on the rise. The percentage of children under the age of two with television sets in their bedrooms is up to 33%. In
2011 only 10% of children in that age group used a mobile device, like a smartphone or a tablet. By 2014, that jumped to 40%. Despite this, only
14% of parents say their children's doctor has talked to them about screen time.
How does the author mainly support her argument?
1. by providing statistics on screen time
O 2. by describing different kinds of screen time
O 3. by limiting the age group to under two years old
04. by showing how long